I just dont know what to do anymore please help....?

okay i need some advice ....im 8 months pregnant i live with my boyfriend mike and i dont have to work he said that i didnt have too....but wha twould you do in my situation???when i told him i was pregnant he asked me if i would falll down the stairs and then if he could punch me in the stomach ..after he got over he got really excited about the baby ..he got us a house and like i said told me i didnt have to work i could just stay home with the baby..but theres been even more problems.everyone even his close friends told me he really doesnt want me to work because he doesnt want me to meet other people hes really jealous ..hes my first partner so that makes it even harder for me.he also moved me a half an hour away from my family because he doent like them and he knows its hard for them to come here and see me..my dad is sick and we dont know how much time we will have left with him and i cant ever use the cars to go see them..i moved out wiht him when i was 17 so almost 2 years now ive lived wiht him.he has never really pshycally abused me just mental he tells me everyday that if i ever left him i wouldnt find anyone else and that if i was a ***** to him he would take our son away from me because he has more money then me..i get 800 dollars a month untill october and for 2 years ive always given him all of it...and when i worked i gave him more like 1500 a month...he yells at me and controlls me but for some reason i still love him and sometiems i dont know why i think im afraid to be alone.and afraid that if i leave him he will get some kind of custody of our son and i dont want my son to turn out like him...that doesnt sound good but i dont want my baby to act like this to women i want him to respect women..he does have good qualities about him it just seems that the bad outweighs the good...i dont know what to do im scared and i need some advice...please help what should i do???