What are the signs of divorce?

My husband and i have been together for four years. I love him but i also hate him (sadly). He's a liar flat out and has indulged in numerous extramarital affairs. I couldn't see any of this in him in the beginning though at times i did suspect there was more to this character. He's handsome, charming, and seemingly harmless. A year later i started taking notice to his lies. Stories that he would tell me about his past would change, and he's swear there wasn't a word different. He'd come home from work and have "time blocks" of calls missing from his phone. Each time a promise of change. Over time he's been to jail attorney fees and bond included cost $8k. Since he's been home he's cheated lied and attempted to sleep with a guest in my house. I want so badly to get rid of him but he's from not from my state and his parole is here for the next year. We have no children but we do own a house together. I would like things to work because I love him but i'm afraid he will never change. He isn't physically or verbally abusive but he is controlling in the most subtle ways. The power of suggestion and manipulation is his specialty but he professes his "undying" love and gratitude but does it all over again. He is currently seeing a counselor and has since tried confessing to me but it feels so weird now. I just feel as though it's not genuine although it may actually be. Part of me is confused because i want to believe him but I've run out of trust, and another part of me holds on to a deeply felt resentment for this man called my husband. Since his release he's attending college for his r.n so that's one positive thing he has going. Has anyone ever been through anything like this and are these common signs of divorce. This is my first marriage and he truly is all i have. What should I do?