Me: You're really easy to shop for, it's just that the things you want and the things your mother wants to buy you... Greg: Have a null intersect. Form a disconnected space. Are mutually exclusive. Me, writing: Okay, slow down... Greg: I'm trying to think of an algebra one, but I can't think of anything good. Sits in the center of a nontrivial exact sequence?
Me: Best Mike Gift Ever! Greg: I know! That means Jen will hate you forever. Me: Damnit. Greg: Well, the two are equivalent: the better the Mike gift, the more Jen-hated it is.
Greg: I'm going to use the bathroom. Me: I'm going to think ill of myself. Greg: Why? Me: I'm good at it? Wait...damnit! How can I think ill of myself and think I'm good at something at the same time?
Saxophone Player: I got an instrument for my wife so we can play duets. Guess what I got her! What instrument can absolutely anybody play with no lessons? Me: Saxophone.