Frasier: Well, I just hope he hasn't done something foolish. Remember he was having brunch with Maris on Sunday.
Martin: Oh, that was just business.
Frasier: Well, you know, Dad, he is broken-hearted. People in his condition have a tendency to run back to their exes. A lonely man clinging to an available warm body. Well, of course in Maris's case, that's just an expression.