I know i should leave...

So im with an older guy hes 33 im 22. Well he has 2 kids with 2 different woman and im pregnant 10 weeks..... we havent been together long 8 months and he moved me in 2 months into the relationship.... well he's ex (they was together 10 years) was in jail for 9 months and he broke up with her before she went in, but i think thats a lie cause she would send him letters saying that she's better and they can work it out and that shes so thankful for him loving her thought all of this. Well she got out in may and he doesnt want anything to do with now, wont have sex with me, all he does when he comes home from work is go lay in the bed and play on his phone, i know he has cheated cause i found emails that he was tryin to meet guys and girls on Craigslist saying he was in a unsatisfying relationship.... i honestly dont know what im asking just needed to vent a lil... 😔😢