How to Say “I Love You” in Japanese to a Boyfriend

大好きだよ
daisuki da yocasual, romantic
To a boyfriend, 大好きだよ (daisuki da yo) is the warm, everyday way to say "I love you". 愛してる (aishiteru) is stronger and used on special occasions. It is also called 好きだよ (suki da yo).
Meaning: expressing love (phrase)

Ways to say it

“I love you” in Japanese
Japanese Romanization Note
大好きだよ daisuki da yo casual, romantic
好きだよ suki da yo casual
愛してる aishiteru strong

Add his name or nickname in front to make it personal, for example ケンちゃん、大好き (Ken-chan, daisuki). ちゃん (chan) is a cute ending used between close people.

Which one should you use?

好き (suki) can mean "like" or "love" depending on tone. 愛してる (aishiteru) always sounds like deep commitment.

Did you know?

  • The ending ちゃん (chan) is often attached to names of people one feels close to, not only children.

Examples in context

  • ケンちゃん、大好き。
    Ken-chan, daisuki.
    Ken, I love you.
  • いつもありがとう。大好きだよ。
    Itsumo arigatō. Daisuki da yo.
    Thank you for everything. I love you.

Example conversation

Nana sends a voice message to her boyfriend Ken on their anniversary.

  1. Nana

    一年だね。
    Ichinen da ne.
    It has been one year.
  2. Ken

    あっという間だったな。
    Attoiu ma datta na.
    It went by in a flash.
  3. Nana

    ケン、大好きだよ。
    Ken, daisuki da yo.
    Ken, I love you.
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Kimberly Andrea
Kimberly AndreaHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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