By Terumi Kai (甲斐輝美) — Founder of Japan Language Factory (JLF), creator of the Terumi Method.
Speaking Japanese is not enough.
I am going to say something now that no app, no textbook, and no other school will ever tell you.
You can learn perfect Japanese — and still fail in Japan.
You can have beautiful pronunciation. Deep vocabulary. Even native-level grammar.
And still walk away from every dinner, every meeting, every introduction with the strange feeling that something did not quite land.
That something is not language.
It is culture.
And in Japan — culture and language are inseparable. If you do not understand the second one, the first one will not save you.
So today I want to give you three truths. Things I have learned from over ten years of watching Americans, Europeans, and other foreigners build — or fail to build — real relationships in Japan.
These three truths are not in any guidebook.
But they will change everything.
Truth #1 — American confidence backfires in Japan.
In America, confidence sells.
You walk into a room. You say what you do. You say what you are good at. You announce yourself.
“I’m a top performer.”
“I run a successful company.”
“I’m the best at what I do.”
In America, this is normal. This is professional. This is expected.
In Japan, it is the kiss of death.
Japanese culture is built on a word with no perfect English translation — enryo.
It means restraint. Reservation. Holding back. Not making yourself bigger than the room.
In Japanese culture, the strongest person is often the quietest. The one with the most power is often the one who shows the least.
Self-promotion does not sound confident in Japan.
It sounds desperate. It sounds like someone who needs to be impressive because they are not.
So when you walk into a room of Japanese people and announce how great you are — they smile politely. They nod. They say “sugoi” (amazing).
And quietly, they decide they cannot trust you.
What works instead?
The opposite.
“I am still learning.”
“My Japanese is not very good yet.”
“I want to understand more about Japan.”
This is not weakness. This is the highest form of respect in Japan.
You are signaling that the other person, the culture, the moment — is bigger than your ego.
And here is the secret.
The Japanese person across from you will instantly want to help you. To teach you. To bring you closer.
In American culture, you win by showing up tall.
In Japanese culture, you win by bowing first.
Truth #2 — Never ask a Japanese person a Yes/No question.
This is the single most important sentence I will ever write to you.
Yes/No questions are torture for Japanese people.
In American culture, “Do you have this?” or “Can you do this?” is direct, efficient, professional.
In Japanese culture, saying “no” is almost physically painful. It feels rude. It risks making the other person uncomfortable. Japanese people will go to enormous lengths to avoid saying it.
So when you trap a Japanese person inside a Yes/No question — they suffer.
They go silent. They give you a vague answer. They smile uncomfortably. And the conversation dies.
You think they did not understand you.
In reality, you put them in an impossible position.
What works instead?
Open questions. Curious questions. Questions that invite a thought, not a verdict.
Not: “Do you have this?”
Instead: “What do you think about this?”
Not: “Is this possible?”
Instead: “How do you usually approach this?”
Not: “Do you like it?”
Instead: “What do you feel about it?”
This single shift will change every conversation you have in Japan.
People will open up. Conversations will flow. Business meetings will produce real information instead of polite silence.
It is one habit.
It will transform every relationship you build for the rest of your life in Japan.
Truth #3 — You must explain why you love Japan.
This one surprises everyone.
You would think Japanese people would be flattered when foreigners love their country.
The truth is — they are confused by it.
Japan is not a country that brags about itself. The average Japanese person is not very international. They have spent their whole life inside a country they were taught is “normal.”
They do not understand why you would cross an ocean for it.
When you say “I love Japan,” they smile politely.
But inside, they are thinking — why?
When you say “I love ninjas,” they think — but ninjas are from hundreds of years ago. Why do you care?
When you say “I want to learn Japanese,” they wonder — why this language? Why not Spanish? Why not French?
If you do not answer this question — clearly, personally, with a story — the conversation never deepens.
You stay a tourist. They stay polite.
Real relationships in Japan begin when you can explain — with feeling — exactly why this country has captured your heart.
Not “I think it’s cool.” Not “the food is good.”
But —
The first time I saw a Japanese sword forged, I cried.
My grandfather worked with a Japanese engineer in 1985 and never stopped talking about him.
I read a Japanese novel at 19 that changed how I see the world.
Specific. Personal. True.
This is the bridge.
When a Japanese person hears your real reason — your real story — something shifts. The polite smile becomes a real one. They lean forward. They start asking you questions.
The relationship begins.
Most foreigners never cross this bridge. They love Japan in the abstract — and stay strangers forever.
The ones who explain themselves… are welcomed in.
These three truths are not in any textbook.
They are not on the JLPT.
You will not find them on Duolingo, or in any app, or in any AI tutor.
But they are the difference between speaking Japanese — and having a life in Japan.
This is what the Terumi Method is built around.
Not just language. Not just words.
But the cultural code beneath the words.
The way Japanese people actually think. Actually feel. Actually trust.
Because language without culture is just sound.
And culture without language is just frustration.
You need both.
And both — together — are what build the relationships, the friendships, the marriages, the business deals, the lifelong bonds that the right kind of person comes to Japan looking for.
So I will leave you with this.
The next time you imagine yourself across the table from a Japanese person —
are you going to do what every American does?
Or are you going to do what almost no American does — and earn something that almost no American ever gets?
— Terumi
The Founder Letters — a 9-part series by Terumi Kai (甲斐輝美), founder of Japan Language Factory.
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About the author
Terumi Kai (甲斐輝美) is the founder of Japan Language Factory (JLF) and the creator of the Terumi Method — a speaking-first approach to Japanese that has graduated over 5,000 students worldwide, including learners from Amazon, Google, ANA, Mitsubishi, Lufthansa, and the U.S. military. Japanese by birth, Terumi Kai has lived and worked across three continents, and writes about language, culture, and identity at terumikai.com.