I don’t know if it’s ok to leave my babies father...

Ok so I am 11weeks pregnant and my boyfriend and I have been together for 5 years living together for 2....well we both wanted the baby but I think he wanted it more than I did. Well but since around the 7th week of my pregnancy i have been feeling sick. I really can’t eat most of the time coz of the taste in my mouth and nothing i eat goes down well.. most of the times i am just sad but I don’t know why. Also most other days I just want to remain in bed all day. Now he most of the times want to force me to eat things and if he gets stuff I try them and can’t eat he gets angry. He’s always mad . Now he spends all his time drinking outside like he’s mad coz am making the experience boring to him. What are my supposed to do I feel miserable myself going going all this and he just causes me to cry everyday. I just think I am better off by myself because i really can’t handle all these alone. I might just stress myself and loose my baby