Janitor: I was in the military.
J.D.: Where did you come from!?
Janitor: If I find out you're wearing a bronzie, without having served, I'm gonna make things uncomfortable for you.
J.D.'s Narration: Coat-wearing doctors do not take this crap.
J.D.: You were never in the military.
Janitor: Yes, I was.
J.D.: Which branch?
Janitor: The... janitor branch.