My ex use to do things to get me to break up with him for a few weeks why didn’t he just stay single or ask for a open relationship?

Anonymous
the first time I noticed he was doing this was 5 months ago his baby mother found out there child was around me when we moved in together. she told him he would never see his child again and called the police on him and pressed charges on him for no reason claiming he assaulted her. A few weeks after he couldn’t see his daughter he kept doing things to make me end the relationship. I did and he went back to his baby mother while telling me he just wanted to be friends for 2 months so he can get his self together. after I found out what he was doing I told him I would never speak to him again. he begged for a second chance he told me he was only doing it to see his child and he would just go to court I dumbly took him back.

And now he has done it again 2 months after I took him back we had a lot of arguments because I did not completely trust him. he told me If we keep arguing after Month we shouldn’t be together. after that day he started 2 arguments back to back. I broke up with him because I felt like he was starting arguments on purpose after I broke up with him he slept In his car for 2 days. I tried to fix our relationship for a week straight he told me he did not want to be with me. after 8 days he told me he wanted to be with me we had sex that night and he borrowed $100 from me. after that he left out to visit his aunt in the hospital he put his phone on dnd I did not hear from him all night. the next morning he told me he really didn’t want to be with me and only agreed because I kept asking to fix our relationship.

he asked me to be friends with him for 2 weeks to see is we can get along I agreed he started coming home and I noticed he would sleep with his phone in his pocket and only got on his phone when I turned away from him and
Updates
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2 days ago he went to the barber shop to get his beard and head shaved he got contacts he took a hour shower left out and told me he was going to his cousins house he did not come back that night and it just so happened to be his baby mothers birthday was that day he claimed he wasn’t with her and today he took a shower and just left straight out I agreed to be roommates with him so we can coparent because I’m currently pregnant but I put him out changed my number
My ex use to do things to get me to break up with him for a few weeks why didn’t he just stay single or ask for a open relationship?
2 Opinion