Amy: Well, I just took your side 'cause sometimes I get annoyed at how close Sheldon and Penny are.
Leonard: Well, they argue all the time. They aren't that close.
Amy: Whos always comforting him when he's upset?
Leonard: Penny, but-
Amy: Who's the only one who can make him take his medicine when he's sick?
Leonard: I try to hide it in his peanut butter, but he spits it out.