Nina: You know, my heritage happens to be very important to me.
Mary: As it should be. I'm Irish, and I'm very proud of that. And you're what?
Dick: Me? Uh, [stammers] I-I-I'm, uh one of those, uh... You know, one of the really good ones. You're this big anthropologist. You tell me. What am I?
Mary: Certifiable.
Dick: Yes, that's what I am. Certifiable. Certifiable and damn proud of it. As my father was before me and his father before him and his father before him. Certifiable. Of course, we no longer practice.