A: How smart are you?
B: I don't know. I think I'm average.
A: Did you ever take an IQ test?
B: No, I never did. All I know is that I got A's and B's in school.
A: I wish I was really smart.
B: Don't be ridiculous.
A: What do you mean?
B: If you're going to make a wish, wish that you were really rich or famous.
A: Don't you ever wonder what it's like to be super-smart?
B: It must be very lonely.
A: Why's that?
B: Because if you're super-smart, no one understands what you're saying.