[ There is a clear and noticeable brightening for her brightening. He made somebody happier and they just agreed to let him booby-trap their couch. That's so cool. So he laughs and raises a hand to flap in a way reminiscent of many a polite middle-aged lady. ]

Oh, don't worry about it! I probably wouldn't have thought about how someone takes their coffee at all, either, even just about not knowing! It was really nice of you to go out of your way to make it!