Get me over this man😩

I’ve been seeing my baby daddy for what feels like ever now. We found out about the baby at the new year, and I’ve been wishing I’d never told him since. 😅😅 he hurts me over and over, but I feel so many feelings for him. I know he’s an A-Hole and I NEED to walk away- but it literally seems like I can’t. My brain always believes the nonsense he tells me to bring me back, and I go back like such a dumb little girl. He’s in his late 30’s and I’m in my late 20’s, and he’s such an immature piece of work. I always wonder how someone so not smart got a nursing degree. 🤔😤 but how someone like me who is knowledgeable and intelligent got involved with someone like him AND continues to go back.

How do I get over him. Help 😩😩😩