Lily: Do you know where babies come from?
Alex: Lily, I'm studying.
Lily: Are you a nerd?
Alex: No. Why would you ask me that?
Lily: It's Friday night, and you're doing homework.
Alex: It's my senior year. Trust me, Lily, there'll be tons of fun Friday nights in my future with artists, dignitaries, other scientists.
Lily: I didn't hear "boyfriend."