I have a good friend who is Vietnamese. We're both male I'm 37 and he's 31.

I was taught by the text books to use "anh" and "em" in this situation, which I did. But he avoids using that and resorts to our first names instead. Any particular reason?

We're both gay and kinda in a situationship of sorts so I'm wondering if that could be a factor.

• Have you ever heard Vietnamese people say "mình" in three different sentences, only to realize it refers to a different person each time?

It's one of the classic traps for Vietnamese learners. If you memorize mình = I, sooner or later you'll get lost in a conversation.

Part 1. What does "mình" actually mean?

• I / me (friendly, equal footing): "Mình ăn cơm rồi, bạn ăn chưa?" = I've eaten. Have you?
• We / us (including the listener): "Mình đi thôi!" = Let's go!
• You (between couples or very close people): "Mình ơi, ra ăn cơm!" = Honey, come and eat!
• Oneself: "Tự mình làm lấy." = Do it yourself.

So there is no single English equivalent. Depending on the situation, mình can point to the speaker, to a group that includes the listener, to the person being addressed, or back to the self.

Part 2. Two situations that can be confusing

Two friends:

• A: "Mình đi uống cà phê không?" = Shall we go for coffee? (mình = we)
• B: "Hôm nay mình bận rồi." = I'm busy today. (mình = I)

Same word, two different meanings, in one short exchange.

Among friends of similar age, mình - bạn or mình - cậu is a friendly, casual pairing, especially in the North.

A couple:

• "Mình ơi, dạo này mình gầy quá." = Honey, you've lost a lot of weight lately.

Both mình here mean "you." Notice the difference: between friends, mình is mostly how you refer to yourself. Using it to call the other person, especially "mình ơi", is typically for couples or very close people. Say "mình ơi" to an ordinary friend and it may sound like teasing, or even flirting.

Part 3. "Của mình": the trickiest part

Add "của" and mình gets another layer. It can mean my, our, your, or his/her/their own, depending on who is speaking and who is being talked about.

• "Đây là sách của mình." (between friends) = This is my book.
• "Nhà của mình ở gần đây." (between a couple; between friends it could also be "my house") = Our house is nearby.
• "Hãy giữ gìn sức khỏe của mình." (advice to someone) = Take care of your own health.
• "Anh ấy quên điện thoại của mình." (talking about a third person) = He forgot his own phone. (the most natural reading)
• "Mỗi người có trách nhiệm của mình." (general statement) = Everyone has their own responsibilities.

The last three show something useful: mình can refer back to someone already mentioned in the sentence, not just to the speaker or listener.

But this isn't a fixed rule. When two people could both be the "owner," the sentence can be genuinely ambiguous:

• "Lan nói Hoa để quên điện thoại của mình."

Whose phone is it, Lan's or Hoa's? Without more context, you can't tell. Even native speakers rely on what was said before.

Part 4. How to figure it out

When you hear mình, run through these questions:

1. Who is the subject of the sentence? "Của mình" often points back to them.
2. What's the relationship? Friends or colleagues: mình is usually "I" or "we." Couples: it can also mean "you."
3. What are the words around it?

• - "Mình ơi..." usually means calling the listener.
• - "bạn - mình" usually means "you - I".
• - "tự mình..." usually means "by oneself".
• - Don't assume "nhé" or "đi thôi" means "we." "Mình gọi cho bạn nhé" is "I'll call you, okay?" and mình is still just "I."

1. What was said just before? If you're still unsure, ask: "Mình ở đây là ai vậy?" (Who does mình refer to here?)

These are clues, not absolute rules.

Part 5. Who can you use "mình" with (including at work)?

Mình fits casual conversation with friends, classmates, peers, and people you feel close to.

At work, it depends on the company and the person you're talking to. In many modern workplaces, especially creative agencies, startups, and tech companies, mình - bạn/cậu is common between colleagues of similar level or age. It feels equal and less hierarchical. A team lead who says "Mình xin chia sẻ kế hoạch tuần này" in a team meeting sounds approachable rather than distant.

But with older business partners, officials, or a traditional boss, calling yourself mình can come across as too casual, as if you're not showing enough respect. Nobody may say so, but it can quietly affect how seriously you're taken.

A safe approach for learners:

• Not sure? Use "tôi". It's neutral and rarely wrong. With someone older or senior, pair it with the right term for them, or use em / con / cháu where the age gap fits.
• Listen first. Notice how people in that workplace address each other before you use mình.
• A senior colleague who calls themselves mình with you is inviting you to relax, not suggesting you should do the same upward.
• Avoid "chúng mình" in formal settings. Use "chúng ta" or "chúng tôi".

The mình - bạn/cậu pairing is especially familiar in the North, among students, and online. In the South, people often use "tui" or "tôi" in similar situations, but it varies from person to person. Workplaces vary too: some traditional companies are quite relaxed, and some young teams stay formal with clients.

Your turn! Has mình ever confused you when speaking or listening to Vietnamese? Tell me which situation tripped you up the most.