Mike Massimino: You know how astronauts need to have the right stuff?
Howard: Sure.
Mike Massimino: The stuff you have is wrong.

Bernadette: I think what we're all trying to say is that you don't seem to be remembering how traumatic the experience was for you.
Raj: Like how women often forget the pain of childbirth.
Mike Rostenkowski: Like a woman. Great analogy.

Sheldon: I've changed. Like the frog who's put in a pot of water that's heated so gradually, he doesn't realize he's boiling to death.
Penny: Or you're the frog who's been kissed by the princess and turned into a prince.
Leonard: Or you're just a tall, annoying frog.

Amy: I'm not surprised you want to end the relationship. I'm a little surprised you didn't get AppleCare.