Trillian: "You idiot! You signed the order to destroy Earth!"
Zaphod: "I did?"
Arthur: "He did?"
Trillian: "Love and kisses Zaphod? You didn't even read it, did you?"
Zaphod: "Well, I'm president, I don't have a lot of time for reading."
Trillian: "My whole planet destroyed because you thought someone wanted your autograph!"