Carrie: Why am I the only one who's never heard of Hank Pfefferman?
Linda: Thank your lucky stars. The man stinks.
Tracy: Says who, your cat's piano teacher?
Carrie: How do you teach a cat to play the piano?
Linda: A cat can't play the piano. Your idiot sister made that up.
Tracy: Oh, so now I'm an idiot?
Linda: No, you were always an idiot.