I need brutally honest advice

I’ve been in a relationship for almost 3 years and my ex is constantly cheated on me or broken so many of my boundaries. And I know I’m partial to blame because I always forgive him but I’ve reached a point now where I don’t know what to do anymore. I love him, and I truly think he suffers from a sex and porn addiction on top of alcoholism. As much as I wanna hate how I see someone who’s broken and I don’t wanna view him like that anymore. I’m always putting him on this pedestal even though he hurts me time and time again. He’s been physically and verbally abusive to Me as well. Not so much recently ever since he stopped drinking he has gotten a handle of that but he’s still being unfaithful. Oh well promising me that he’s not. We have a daughter together and I’m seven months pregnant. I know realistically I need to leave, but I just don’t know how. I’m a stay at home Mom I depend on him financially. My car is in his name. If I leave I really have nothing and I just don’t know what to do. He knows I have crippling anxiety about him cheating on me and he reassures me all the time that he’s not doing anything, but I have evidence that he still is continuing untrustworthy behavior and still lying to me. I don’t know how to find the strength to leave because I know he’s not gonna change and now I’m just torturing myself and have no one else to blame for my pain now.