It shows in the way he talks to you. He never smiles. He's talked a lot about rabbits and goats and once seeing a hippopotamus at the zoo. It's always something about taking care of these animals and cleaning the cages and such, but he never really let's on why he likes to talk about them, he just does. I take this to mean that he's constipated, because that's what I would say if I was.
Some people find art in everything.
Geoff finds art in snoring. Like Jamie's constant and expected singing, Geoff is constantly snoring. I've caught him practicing. Through most of Nebraska, he had his eyes closed and his snore running. I think he's perfected three distinct patterns so far.