I agree. Something is wrong in his head. My sister's ex-husband was like this. He'd get angry about some stupid little argument and manually dismember neighborhood cats. Just like they were playdough. Nobody could really stop him. Anything you say or do to people like this results in an unreasonable amplified response. If you poke, he slaps. If you push, he gets a frying pan and tries to break your bones. You buy a gun, he buys a live grenade and paints a smiley face on it.