I would leave the room, are you on a lap top? Go to your bedroom if you can, and get him out of sight, what a wank thing to say to his partner of 5 years. My husband got a bit like this after my ds was born, because the sex dropped and he looked for any opportunity. It was a re-education as since he had a bad relationship previously where sex was a bargaining tool by his ex wife, and also having no family affection, he saw sex as a measure of love.
We had to sit down and have a real heart to heart with a counsellor, he had no choice, as he was forces I rang and arranged counselling through the family service. He was angry and against it but when he saw how upset I was with his porn viewing and everything else it was a huge wake up call.
Nailing women eh? What a spunk trumpet. Sorry sweetie, but unless it's a problem stemming from the past that he is willing to work on then he sounds like a belligerent child. Only you can decide but I agree, it might be dependancy that is keeping you there in what is becoming a very unhealthy situation.
If I thought you felt stronger I would encourage you to get a couple of gay porn magazines, where the men have unearthly massive dicks, bigger than your partner, tuck them under your arm, tell him you are off to the bathroom for a bit of "me time"and lock yourself in the bathroom. Don't have to read them (pop a grazia under the covers), just moan a lot when he paces outside.
and please delete that tape and make sure he hasn't made a copy.
If he can see your