Sheldon: I meant ALL women are slaves to their biological urges. Even you. You're a slave. Mrs. Davis: I'm a what? Sheldon: I'm just saying at a certain point in a woman's menstrual cycle... Mrs. Davis: Don't. Stop. You can't say that.
Sheldon: Is there any reason you're keeping this dead goldfish? Penny: Damn, I forgot to feed him and that I had him. Sheldon: Well, now, did you also have a dog? Because I found what appears to be a battery-operated chew toy. Penny: Party's over. Party's over.