Student #1: I had a real question! I really wanted to know the answer, and he acted like it was a joke.
Student #2: So. what was the question?
Student #1: How does a blind person know when they’re done wiping?
Student #2: … What, there’s no punch line?
Student #1: That’s what my teacher asked, but I really want to know the answer — it’s a valid question!
Student #2: Well, I’ll ask my uncle next time I see him.
Elevator, Columbia College