Frasier: Dad, wait.
Martin: No, I'm going to Duke's for a nightcap.
Frasier: Well, at least let us take you there.
Martin: I'll take a cab. I've had enough of you two for one night. Leave the waitress a good tip. She deserves it.
Frasier: Niles, say something.
Niles: Dad, wait. The mud pie is coming!