Lukasz was using my stomach as a pillow and I asked him if he could hear my stomach digesting food. I asked him, "Is it saying 'grrgllgrrgll'?" and he said, "No, it's saying 'rrggglll get off me, Lukasz".

And a joke he made up in the car this morning: What has a curly tail and flies?
I guessed Super Pig, but I was wrong.
The answer is Kite Pig!