He’s smug at her blush; even if she doesn’t say it out loud, he knows she’s pleased, and that just strokes his ego all the more.

(Not that he’ll ever admit it, but is also assuages his fears- he wants to make her happy, even when it’s hard to admit that much without hiding it behind a wall of teasing like he had always done with Aoko, and sometimes it’s hard.)

     “Nope, because now you expect me to use the front door since I
       showed you my logic. I can’t use the balcony door though, either, so
       maybe I should find some other place. Do you have any
       recommendations? The roof, perhaps?”