Ask a cold joke

This is a brain teaser. The original question is:

You hit your head against the wall. Guess what?

You hit your head against the wall again and guess one thing.

If you hit your head against the wall again, guess one.

Answer:

You hit your head against the wall and saw the stars, so they are stars. If you hit the wall again, the stars will be big, so they are gorillas. You can't waste your head, so the final answer is, baboon.