He sounds like a real a-hole. He's totally wrong about who gets to keep your S. If you want to get out of there, start collecting evidence, e.g. pictures of his stash, pictures of him toking up, pictures of his porn cds, a copy of the cookies file on his pc, etc. Go to a lawyer. Build a case.
But remember, when the gloves come off, are you Miss Perfect? Because he sounds like a fighter, and his lawyer will come after you, too. Are you clean?
Men are pigs sometimes. Not all men, just some of them.
Hairdog, who likes porn, but would take the real thing in a New York minute if it was available.