Hello! New to this app need some support

Hello, I'm new to this app and would like to join this group to help deal with a break up and death in the family. I was living with someone for almost two years. We lived in different cities and he begged me to move to his city for the relationship. I found that he was super sweet and nice in the beginning, but then the relationship became all about him, his children, and his divorce. I felt very alone and depressed. I broke up with him because he didnt want me to get my own place and I really needed my own space. The plan was always for me to get my own place but there was a lot of pressure to stay. A 5 days after we broke up he began a new relationship. He hid his relationship. Slept with both of us. He decided to tell me about his new relationship only 2 days after the passing of a family member I was very close to. When I became angry and started to cry and began begging for me to forgive him. Then that same night he left to be with her all night. Leaving me alone to mourn. I cried many times and begged him to stop seeing her. Which he didnt. I ended up in a psyc ward for one month. He came to visit with his children. He was rubbing himself on me. We slept together a few times while he was in his new relationship. He was very hot and cold sweet then hurtful. He ghosted me after I told his new gf about us. I saw him again two days ago and he began crying and apologized. Kissing me, saying sorry, telling me he missed me, and again engaged in sex with me. How do I move on?