Buffy/Dawn.
I mean, he can be pretty goofy at times, but mostly way too serious, yeah.
Seriously, Buffy, sometimes I think there is something wrong with me. I mean, how many guys here? And the dates I've had? Well, Steve Rogers when I asked him to go to the prom with me because of the vampire thing, and Harry Potter during the like thirty second date thing - AND he doesn't even remember that. And then awkwardness with Xander. There was totes awkwardness with Xander.