UPDATE - (Ex) Boyfriend (25M) of four years cheated on me twice and (kinda) broke up with me for asking questions about his past.

Link to the original post here
I would first like to thank everyone who commented on my previous post. Although some comments were confrontational and harsh, they did put the entire situation into perspective.
The morning after having posted the previous post, I (24F) awoke to my ex?s (26M) mother calling me. She basically apologised for being mad at me and admitted to her son?s behaviour being disrespectful and outright wrong. She told me I am a good girlfriend and an amazing person, and that I should not tolerate his behaviour. After that, she suggested for us to take an indefinite break and that she would talk to him. I did not have the energy to agree nor disagree so I simply ended the conversation and continued to my appointment.
After the appointment, I returned to find out my ex had re-followed one of the girls I had blocked who I suspect he slept with. This completely set me off and I started packing the things he left in my apartment into a box and arranged for a friend to drop the box off at his house.
Soon after, he called me and suggested a three-month break. I simply told him I am done since he re-followed that girl and that is simply disrespectful towards me. Although he denied it instantly, he thankfully respected my decision to break up and apologised for his behaviour towards me. He also apologised for all the mean comments he made during our fights, clearly stating that those comments were all incorrect and he simply was led by his anger. After the call, I deleted and unfollowed him and everyone remotely connected to him, whereafter I privated my Instagram account and removed myself from all the shared group chats.
Although I made the decision to break up, I do sometimes still regret it. I have spent the last couple of days at my parent?s house, crying and sleeping. I still love him and miss him, even though he has treated me like absolute ****. He sometimes tries to reach out saying that he misses me or asking me what I am doing. I simply do not respond to any of those messages.
His parents are still very adamant about us getting back together at one point. His mother has called me several times since, crying and telling me that she respects my decision but that she misses me and hopes for the best. Comments like this do make it harder sometimes, but I know I made the right decision. I need time and space from him, his family and the situation in order to heal.
Since this all went down, I have also gotten in contact with my psychologist and basically asked for more sessions in order to help me through this healing process. This way, I can work on my self-worth and self-respect again. My thoughts are still very clouded by emotions but I hope time will heal everything. Any tips on how to deal with all of this during a break-up?
Again, thank you for the wise words in my last post.
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TL;DR: My SO cheated on me twice, which I forgave, but broke up with me because I still had questions about his past. After he asked for a three-month break, I eventually broke up with him and am going through a heart break. I have never gone through this before. How do you deal with a break-up?


Source.