Man: ”Can you help me find a Harry Potter book?”
Librarian: Takes man to shelves and shows him the Harry Potter books.
Man: ”Which ones of these are checked out?”
Librarian: ”If they’re on the shelf, then they’re not checked out.”
Man: Picks up one of the books… “Is this one checked out?”
Man: ”So I can check this one out?”
Was he operating under a curse?