He would not bang his head against a wall. He wouldn't. He wouldn't. It wouldn't help.

"It is a Knock knock joke. I say knock knock, you ask who is there, I answer you repeat my answer then add the word who like you're looking for a last name, then I give the punchline. Like Knock knock, who is there, cat, cat who, cat who pault. Catapult. Get it?"