Niles: Frasier, is he our real father?
Frasier: Now, don't start that again. We've been having this discussion since we were children.
Niles: But that suit!
Frasier: Well, it's not just the suit. It's his taste in everything - clothing, films, music.
Niles: Outside of our last name and abnormally well-developed calf muscles we have nothing in common with the man.