[Because!! Because... maybe he'll actually catch on once he sees you two together.]

There's two different types of chocolate for Valentine's Day in Japan--"giri-choco" and "honmei-choco". The first one is given to friends or people you work with often. The second one is the one you want, for the person you have romantic feelings for.

[He stops to catch his breath and... then rubs at his cheek sheepishly.] That probably was really confusing, wasn't it?