Son: (holding up a plastic gorilla) What's this, Daddy?
Me: That's a gorilla.
Son: No, it's not, Daddy. This a monkey.
Me: That's right, it's a gorilla.
Son: No. It's a monkey.
Me: It's a gorilla, son.
Son: No. Monkey.
Me: Son, a gorilla is a kind of monkey!
Son: No, Daddy, this a...Oh, that's right, Daddy.
He argues like me. Even when you prove you're correct he just takes your answer as his. It's like arguing with Bugs Bunny.