Daniel sent us this one, and I have to say, it's peak Herman Poppleberry territory. You're in a lift in a country where English isn't the native language. Strangers are speaking loudly in English. You don't want to get drawn in. Most people freeze, fake a phone call, stare at the floor. Daniel's question is, what's the actual tradecraft here? How do you actively convince them you don't understand, rather than just hoping they leave you alone? And he specifically wants the playbook — the misleading cues, the misdirection, the whole thing.
This is one of my favorite topics, and I'm genuinely thrilled Daniel asked about it. Because most advice on this is terrible. It's all "just put in headphones" or "look at your phone." That's amateur hour. It doesn't work.
Why doesn't it work?
Because silence is ambiguous. If someone speaks to you in English and you just stare at the floor, what have you communicated? They might think you're shy. They might think you're rude. They might think you didn't hear them and try again, louder. The ambiguity is the problem. You haven't given them a reason to stop. You've just given them a void they'll try to fill.
The core mistake is treating this as passive avoidance rather than active perception management.
You're not hiding. You're running a counter-intelligence operation on a micro scale. You are feeding someone a conclusion and letting them feel clever for reaching it. If you want someone to believe you don't understand English, you must actively give them evidence that supports that belief. Silence is just a blank screen. Misdirection is a movie.
The movie you want them to watch is called "This Man Is Confused And Possibly From Somewhere Else.
And I want to ground this in something real before we get into technique. There's actual research on this. Native speakers react to their native language within about two hundred to four hundred milliseconds. It's automatic. Your brain processes the sounds and you react — a head turn, a micro-expression — before you even consciously decide to. Non-speakers take one to three seconds to even register that speech is being directed at them. They're not processing the words, they're processing the social situation. Someone is making sounds in my direction. Is this for me?
The gap between two hundred milliseconds and two seconds is where the whole operation lives.
That's the entire game. If you react within half a second, you've told them you understood. Doesn't matter what you say after that. Your nervous system already confessed. So the first and most important technique is what I call the delayed reaction. Someone speaks English in your direction, you wait. One and a half to two seconds. Then you look up, slightly confused, maybe glance at an imaginary companion as if to say, did that person just talk to me? Only then do you respond — and you don't respond in English.
You respond in what?
Your cover language. And this is where we get into what I call the three-channel deception model. You have to misdirect across verbal, paralinguistic, and nonverbal channels simultaneously. The most common tell — the thing that blows people's cover — is inconsistency across these channels. Your mouth says one thing, your body says another, and the target's brain flags the mismatch even if they can't articulate why.
Walk me through the verbal channel first.
The cover language technique. You pick a language you actually know a few phrases of — even badly — and you use it as your supposed native tongue. When the strangers speak English, you respond in that cover language with a confused, apologetic look. The research on code-switching is really useful here. If you mumble generically or just make vague sounds, people peg you as weird. But if you code-switch to a language associated with a specific, identifiable region — say you drop a few Spanish phrases in a context where French is the local language — it's far more convincing. The specificity does the work. Their brain goes, "Oh, he's Spanish," not "What's wrong with this guy?
The cover language needs to be specific but also strategically chosen. You don't want it to be the local language, because then they might actually speak it back to you.
You want a language that's plausible for you to know but unlikely for them to speak in that context. If you're in Tokyo, Korean is a solid cover. If you're in Paris, something like Portuguese or Greek. You want regional adjacency without overlap. And you only need maybe a dozen phrases. "I'm sorry, I don't understand." "Do you speak..." and then trail off. The goal isn't to be fluent. The goal is to produce recognizable sounds from a specific language so their brain categorizes you and moves on.
What about the paralinguistic channel?
This is the one people never think about, and it's where most performances collapse. Paralinguistics are everything about how you speak that isn't the words themselves — pitch, rhythm, hesitation patterns, intonation. When you do speak in your cover language, you have to use the intonation patterns of someone who is trying to communicate but struggling. Rising pitch at the end of statements. Hesitant pauses in unexpected places. Avoid the flat, bored tone of someone who understands but is ignoring. That tone is a dead giveaway.
Because a confused non-speaker sounds effortful. They're working at it.
They're working at it. Their vocal patterns show strain, uncertainty, hope that maybe this time the other person will understand. If you deliver your cover language phrases with the relaxed, fluid prosody of a native speaker, you've now created a different problem. They might think you're fluent in the cover language and try to engage you in it. You want to sound like someone who barely speaks the cover language either — maybe you're from a tiny village, maybe you're nervous. The paralinguistic channel should communicate: I am trying, I am failing, please don't make this harder.
Then the nonverbal channel. The delayed reaction you mentioned.
That's the foundation. But there's more. Eye contact patterns. Native speakers tend to make eye contact when being addressed. Non-speakers often avoid eye contact or make brief, anxious glances because they're unsure of the social rules. You want to mirror that second pattern. Brief eye contact, then look away, then look back with a slightly furrowed brow. You're not being shifty. You're being uncertain.
The companion glance.
The companion glance is gold. Even if you're alone, you can glance slightly to your left as if there's someone there who might help. It's a micro-expression that says "I am not equipped to handle this situation alone." People read it instantly and unconsciously. They downgrade their expectations of you.
There's also the prop layer, which I know you've written about.
The prop layer is where you get to have fun. Carry a visible item associated with your cover language. A newspaper, a book with a foreign title, a shopping bag from a store in a region where that language is spoken. This provides visual corroboration without you having to say a word. Someone glances at you, sees you holding a copy of El País, and their brain pre-loads the "Spanish speaker" category before you've even opened your mouth.
I love this because it means the deception starts before any interaction. You're shaping the environment.
You're seeding the battlefield. And here's a more advanced version: the wrong app trick. Have Google Translate open on your phone, set to translate from your cover language into English. If someone tries to engage you, you point at the phone and shrug apologetically. The phone becomes a prop that says "I am a visitor, I am trying, this is my only bridge to your world." It also gives you a plausible reason for being where you are — you're a tourist, you're lost, you're harmless.
There was a case study you mentioned once, someone on the London Underground with a Spanish newspaper.
A listener wrote in about this. He was riding the Tube, and a group nearby started complaining loudly about tourists — in Spanish. He happened to have a Spanish-language newspaper he'd bought at a newsstand, not for tradecraft purposes, just because he was practicing Spanish. But when they addressed him, he looked up from the paper with a confused expression, said something halting in broken Spanish about not understanding, and they immediately apologized in English and switched topics. They assumed he was a Spanish speaker who didn't know English, and they felt embarrassed for having been caught complaining about tourists in front of someone who might be one. The newspaper did all the heavy lifting. He didn't have to convince them of anything. The prop convinced them, and then they convinced themselves.
You've got the three channels aligned. Verbal, paralinguistic, nonverbal. You've got your props. You've seeded the impression. What happens when it works too well?
This is where we get into the knock-on effect, and this is the part most people don't think through. If you successfully convince someone you don't speak English, they may try to help you. They might speak slower. They might speak louder, which is always funny because volume doesn't cross language barriers. Or they might actually try to speak your supposed native language. And now you're in trouble.
The reciprocity trap.
The reciprocity trap. They're being kind, and you've constructed a situation where kindness is a threat to your cover. So you need a pre-planned exit strategy. My go-to is a pre-written note on your phone in the local language. Something like, "I'm lost, can you point me toward the central station?" You show it with a grateful nod, they point, you nod again, you walk away. The interaction ends naturally because you've given them a concrete task that has a concrete endpoint.
The note explains why you're there and why you're confused. It closes the loop.
It closes the loop. People want narrative closure. If they can slot you into the "lost tourist" category, they feel satisfied and move on. If you just stand there looking confused, they feel an unresolved social obligation and they keep trying.
What about the group dynamic problem? Multiple strangers comparing notes.
This is where consistency becomes critical. If one person sees you check your phone and the screen is in English, and another person sees you pretend not to understand English, the deception collapses. You have to maintain cover across all channels at all times. That means your phone needs to be set to your cover language's script. Cyrillic, Arabic, Hangul, whatever. Even your keyboard layout should match. If someone glances at your screen and sees English, the whole operation is blown.
You're committing to the bit even when no one's watching, because you don't know who might be watching.
That's the discipline of it. And it's not paranoia. It's just good tradecraft. You're not doing this because you think you're being surveilled. You're doing it because the one time you slip is the one time someone notices.
There's another failure mode I want to ask about. The sympathy escalation risk. Someone decides you're helpless and tries to physically guide you somewhere, or call someone for you, or involve authorities.
This is real, and it's the most dangerous escalation path. Some people, especially in cultures with strong hospitality norms, will not let a confused foreigner just wander off. They'll try to walk you to your destination. They'll call a friend who speaks your language. They'll flag down a police officer. You need a counter for this, and my counter is the pre-printed card.
A small card in the local language that says, "Thank you, I am waiting for my friend. Please do not worry about me." You hand it over with a smile, maybe a small bow or nod depending on the cultural context, and you return to your cover activity. The card does several things at once. It shows you're prepared and not entirely helpless. It gives them a reason to stop helping — you're waiting for someone. And it provides the social closure they need to walk away without feeling like they abandoned a lost soul.
It's a social off-ramp.
You're not rejecting their help. You're redirecting it. "Thank you, but I'm okay, my friend is coming." Everyone feels good. Everyone walks away.
I want to push on something. The moral dimension. Is this ethical?
I think about this a lot, actually. And I frame it as a boundary-setting tool, not a tool for fraud. You're not impersonating someone specific. You're not gaining material advantage. You're not defrauding anyone. You're controlling the flow of personal information. The same techniques used by intelligence officers to avoid surveillance can be used by civilians to avoid unwanted social engagement. Is wearing sunglasses in public deceptive? Is using a pseudonym online? These are all points on a spectrum of privacy maintenance.
There's a difference between not disclosing and actively misdirecting, though.
And I think the line is whether you're causing harm or merely avoiding an interaction you have no obligation to participate in. If someone is trying to sell you something, or recruit you into a conversation you don't want, or gather information about you that you don't want to share — you don't owe them your linguistic identity. You don't owe them access. The deception is proportionate to the intrusion.
What about when it's just innocent small talk? Someone being friendly in a lift?
Then you have to make a judgment call. The techniques work regardless, but whether you deploy them is a question of personal comfort. I'd say if someone is just being friendly and you have the bandwidth, maybe just be friendly back. Save the tradecraft for when you're tired, or overwhelmed, or the person gives off a vibe you don't trust. It's a tool in your toolkit, not a permanent operating mode.
Let's talk about the worst-case scenario. What happens when someone actually speaks your cover language?
This is the nightmare scenario, and you need to have a plan for it. If you're pretending to be a Spanish speaker and someone addresses you in fluent Spanish, you have about two seconds to decide: commit or reveal.
Committing means hoping your high school Spanish holds up.
Which it probably won't, unless you've prepared for this. But there's a middle path I call the layered cover. You look confused for a moment, then switch to a different language — say, Portuguese — and say, "Oh, I'm sorry, I'm actually from Brazil. I speak Portuguese. I just read Spanish newspapers to practice." Now you've added a layer. You're not a Spanish speaker who got caught. You're a Portuguese speaker who reads Spanish. And unless they also speak Portuguese, you're safe.
The layered cover. That's elegant.
It works because it explains the inconsistency. You weren't lying about being Spanish. You just happened to be holding a Spanish newspaper because you're learning. The confusion was genuine — you didn't understand their Spanish because you're not actually fluent. Everything snaps into place.
You need a fallback identity one level deeper.
Always have a fallback. The principle is: your cover story should be a staircase, not a single step. If someone kicks out the first step, you land on the second one, not in the abyss.
What's an example of this working in the wild?
There was a case a listener described, in an elevator in Tokyo. He was carrying a Korean-language book as a prop. A Japanese businessman tried to speak to him in English. He responded in broken Korean. The businessman assumed he was Korean, switched to very simple English phrases, and the listener "struggled" with those until the elevator reached his floor. The prop did the initial categorization, the broken Korean confirmed it, and the businessman downgraded his English expectations accordingly.
The beautiful thing about that is the businessman probably walked away feeling good about himself for being helpful and cross-culturally sensitive.
That's the art of it. The best deception is the one where the target feels smart for having figured you out. You're not tricking them. You're letting them discover the conclusion you planted. It's the difference between telling someone a lie and letting them overhear it.
There's a broader point here about how we read linguistic identity. Most people assume language ability is binary. You either speak it or you don't. But in reality it's a mess of partial competencies and context-dependent skills.
That's what makes this tradecraft possible. People's mental models of language are crude. They see a Spanish newspaper, hear a few Spanish-sounding syllables, and the categorization engine in their brain slams shut. They don't interrogate further because they don't need to. You've given them a satisfactory answer to the question "who is this person and how do I interact with them?
The categorization engine slams shut. That's the whole game in one phrase.
It really is. Your job is to feed that engine exactly what it needs to reach the conclusion you want, and then get out of the way. The engine does the rest.
Let's talk about preparation. If someone wants to build this capability, where do they start?
First, pick your cover language. It should be one you have even minimal familiarity with — high school Spanish, Duolingo French, a few phrases of Korean you picked up from a drama. The bar is low. You're not trying to pass as fluent. You're trying to produce recognizable sounds from a specific language.
Then practice the delayed reaction.
Practice the delayed reaction in low-stakes settings. A bus, a queue, a waiting room. Someone says something in English near you, you wait two seconds before reacting. Build the muscle memory. It feels unnatural at first because your brain wants to respond immediately. You're overriding a deeply ingrained social reflex.
It's like not laughing at a joke you actually find funny. You have to suppress the automatic response.
That's exactly the feeling. And it gets easier with practice. After a while, the delay becomes second nature. You hear English, you count to two in your head, then you react.
What about the props? How do you source those?
Foreign-language newspapers are easiest. Most major cities have international newsstands. Grab a copy of something in your cover language and keep it in your bag. A book works too, especially if it's visibly worn — a used copy suggests you've been reading it for a while, which adds credibility. Even a shopping bag from a store in a country where the language is spoken helps. These are low-cost, high-credibility signals that require zero acting skill.
The phone setup.
Change your phone's keyboard layout to your cover language's script. Have Google Translate ready with the right language pair. Prepare a note in the local language — the "I'm lost" or "waiting for my friend" message. Save it somewhere you can access quickly. The goal is to have everything ready before you need it, because in the moment, you'll be managing your paralinguistic and nonverbal channels and you won't have bandwidth to type out a note.
You mentioned the pre-printed card earlier. Is that something you actually carry?
I do, when I'm traveling. A small card, maybe business card sized, in the local language. "Thank you for your kindness. I am waiting for my friend. Please do not worry." It's never failed me. People read it, smile, nod, and leave me alone. It's the most reliable exit strategy I've found.
Because it's polite and definitive at the same time.
It honors their impulse to help while firmly closing the interaction. That's the balance you're always striking. You're not being hostile. You're not being rude. You're being a confused foreigner who is nevertheless okay.
Let's talk about failure pattern we haven't covered. What about the person who speaks your cover language and also sees through the layered cover?
At that point, you're in deep water, and honestly, the best move is probably to break cover. Laugh, say something like "You got me, I was just trying to avoid a conversation earlier and it spiraled." Most people will find it funny. You've gone from potential adversary to co-conspirator. It's a social jiu-jitsu move.
Confess and recruit them to the bit.
If you can't beat them, make them part of the story. "I know, it's ridiculous, I just really didn't want to talk to those people and now I'm stuck being Portuguese." Nine times out of ten, they'll laugh and let it go.
Unless they're the type who gets offended by deception.
Which is rare, in my experience, if the deception was harmless. Most people understand the impulse to avoid unwanted social interaction. They've felt it themselves. They might not go to these lengths, but they get it.
I want to zoom out for a second. You mentioned earlier that AI translation tools are going to change this landscape.
This is the forward-looking piece that keeps me up at night, metaphorically speaking. Real-time translation earbuds are already on the market. Augmented reality subtitles are coming. The assumption that someone doesn't understand your language will become harder to maintain because anyone can pull out a phone and check. Your cover language could be instantly translated. Your prop newspaper could be scanned and summarized. The information asymmetry that makes this tradecraft possible is shrinking.
The techniques need to evolve.
They need to evolve. I think the next frontier is what I'd call linguistic ambiguity — not pretending to speak a specific other language, but presenting as someone whose language background is unclear. A phone with multiple keyboard layouts. A book in a language that isn't widely spoken. Clothes or accessories from a region with multiple official languages. You're not saying "I speak X." You're saying "I could be from any of six places and good luck figuring out which one.
The fog of linguistic war.
The fog of linguistic war. Instead of a clear cover identity, you create a haze of possibilities. The categorization engine can't slam shut because it can't find a category. And in that moment of uncertainty, you slip away.
That's a different kind of tradecraft. Less about conviction, more about confusion.
It might be where we're headed. As the tools get better at piercing specific covers, the countermove is to deny them a specific cover to pierce. But that's probably a whole other episode.
Let's bring this back to practical takeaways. If someone listening wants to try this tomorrow, what's the distilled playbook?
First, the three-channel model is your checklist. Before entering a situation where you might need cover, run through verbal, paralinguistic, and nonverbal. What will you say? How will you sound? How will you move? Consistency across channels is everything.
Prepare your props in advance. A newspaper, a book, a phone set to a foreign keyboard layout. These are low-cost, high-credibility signals. They do the work for you.
Have an exit strategy. The pre-written note in the local language is your get-out-of-jail-free card. Practice handing it over with a grateful but non-committal expression. The goal is to end the interaction cleanly, not to sustain the deception indefinitely.
I'd add a fourth, which is start small. Pick one cover language, practice the delayed reaction in low-stakes settings, build the muscle memory. Don't try to run a full operation on day one.
Like any skill, it builds over time. Start on a bus where you can get off at the next stop if things go wrong. Work your way up to confined spaces with no escape routes.
The elevator is the final exam.
The elevator is the final exam. If you can maintain cover in an elevator with a friendly stranger for thirty seconds, you've mastered the craft.
Here's the thing to sit with as we wrap up. At what point does social boundary-setting cross into deception that erodes trust? We've talked about the ethics of this, but I think there's a deeper question about what it does to you, the person running the deception. If you get good at this, if you make it a habit, do you start to lose something? Some openness, some willingness to be surprised by a genuine human connection?
That's the real question, isn't it? The techniques are morally neutral. They're tools. But the person using them changes. And I think the discipline is to know when to switch it off. To be able to run a full tradecraft operation in the elevator and then, five minutes later, have a real conversation with someone who actually needs your help. If you can't make that switch, you've lost something.
The tradecraft serves the person, not the other way around.
That's the line. And if you find yourself running cover on your friends, your family, people who actually care about you — you've crossed it.
Something to keep an eye on.
Now: Hilbert's daily fun fact.
Hilbert: In the nineteen eighties, acoustic engineers studying the tiled walls of the Basilica of the Immaculate Conception in Mongomo, Equatorial Guinea, discovered that the specific rhombus-based tiling pattern produced a standing wave resonance at exactly four hundred forty hertz — concert A — meaning the building itself was, in a very literal sense, tuned to the note orchestras use to tune themselves.
The building was in A four forty.
Of course it was.
This has been My Weird Prompts. If you have a weird prompt for Herman Poppleberry, email the show at show at my weird prompts dot com. We're always looking for the next thing to dig into. Thanks to our producer Hilbert Flumingtop. I'm Corn.
I'm Herman Poppleberry. See you next time.
