[Frasier and Diane are frustrated that Dr. Ludlow cancelled another dinner with them]
Sam: Hey, Diane. You know, I've been thinking.
Diane: Have you? The odds-makers take a beating again.
Sam: Well, listen… listen is it possible that your, uh, this Ludlow fella hasn't been seeing the two of you because he's been spending all his time with... with Carla?
Frasier: [mocking] Yes, Sam. Either that or he had to finish his paper route on Mars.