You are brave in deciding to reach out to this forum. I have only just joined today myself in the event I build up the courage to do the same. I'm also sorry this is happening to you.
I am grateful that this kind of service exists for people like us who have no one else to talk too.
I am in a similar situation to you, while there are many issues in our marriage, my husband belittles me on a daily basis, though he says he doesn't mean too and tells me why, it also makes me feel worthless.
But one thing that kind of helps me get through these situations is that I witnessed my mum go through the same thing with my dad till the day she died, and I swore to myself that I was not going to put up with that. But here I am. The trouble also is he can be loving at times.
I also know that when he makes fun of me or calls me names it's not true, even though it hurts like hell. I also try to look forward to when I have time to myself and my many hobbies.
You have to remember YOU ARE WORTH IT. I hope to my post my own story on here in the next few days once I build up the courage.