[Uh... okay, Kanji, do you not know how love works?]

No... I don't know how to cook, and Yukiko's never cooked for we.

We spend a lot of time talking. We go out on dates, have fun, and at the end of the day I give her a kiss goodbye.

[That's all totally normal couple things, right? No need to mention the counting the minutes until he sees her next and the planning out every minute of their future lives and making sure he never ever lets go.