Leonard: I don't know why I avoided the Harry Potter books for so long. These are great. I just started number six.
Sheldon: That's a good one. Dumbledore dies in that one. Yeah, I know, I didn't see it coming, either.
Leonard: Why would you say that?
Sheldon: You brought up the subject. I contributed an interesting fact on that subject. It's called the art of conversation. Okay, your turn.