That came out of nowhere.
The guy truly was a dumbass, but then again, he's still just a kid. He didn't have to be in a relationship with her; just be a friend. Instead, he did a half-measure and did one of the worst things. I've got poor EQ but it's clear as day to me that the girl already had feelings for the guy. And for the guy you love to give you abortion money for your whore baby? Bad form. That'd be friggin embarrassing, never mind him declining her offer for some free sexy time, which in fairness to the guy was still a good decision.