Your post brought back some memories for me. I remember very well feeling 'violated' so many times over the years when I was with my EXAH. My home was never a home, really.
It hurts my heart to think of you being pregnant, and living like you are.
What can you do to set clear boundaries for yourself, to protect yourself and your emotional well-being?
I don't have any clear cut answers for you. He's going to do what he's going to do.