You a hard case

Black: What's the worst thing that ever happen to you? [...] Before this mornin. What was the worst thing.
White: I don't know.
Black: Well, let's pretend you dont know then. Still, do you reckon it was about you? Or about somebody close to you?
White: Probably someone close to me.
Black: I think that's probably right. Don't that tell you somethin?
White: Yes. Dont get close to people.
Black: You a hard case, man.

(The Sunset Limited, Cormac McCarthy)