F32 M35 - I broke it off after 2 years

I, '33/F' , broke up with my now ex, '35/M' , back in late August/early September. Did I make a mistake or is it just me grieving something that I hoped for?

We were together for 2 years and living together for 1 year. There's a lot of context here but I'll try and make it short.

Until the issues appeared, around May 2025, I thought he was it for me. That I had found the one. That's coming from someone who was never interested in marriage but I didn't want anyone else. I never told him because I thought it was a fluke or that he would get freaked out. But he was the sweetest guy I've ever been with and I fell in love with him. I never had any doubts about him until it exploded.

He apparently started talking over me ( everyone else saw this except me). He told me that my communication style had changed and that's why we weren't on the same level anymore when I asked after a while.

I started to not like the fact that he never offered to drive anywhere unless i asked him. It was always me driving my car even to get groceries 10-15 minutes away.

We went on an overseas trip to visit his friends in June. I thought it was going to be fun since we flew to Denver for the previous Halloween to visit another one of his friends. I found out I can't internationally travel with him. He was so grumpy and wouldn't tell me why. He said I was being grumpy and that I was maybe travel sick.

I had always talked about how I wanted to see my extended family and talked about taking a side trip even before we left. He wasn't interested in going. I asked him three times before buying the plane tickets. He said no. I bought them for myself and when I told him, he was upset that I "didn't include him". I'm which he proceeded to change his reasons why a couple times. I ended up buying tickets for him anyway because he decided to go and I wanted him to come with.

I didn't budget very well I guess and I had told him I was going to be short on rent. He said "that's okay. What's why savings exist. I'll just move some money around. " I said I would pay him back. Apparently it wasn't okay. He had an incident at work and he got written up and his supervisor application was taken away and he blamed it on me. He didn't tell me at first and I was very worried that he got fired.

When he told me, I felt so guilty and I couldn't look him in the eye. But I also felt scared. What if he did something like this again and it was directed at me or my dog. (He absolutely loved her btw and was sad when I took her to my mom's)

I suggested he talk to someone about this and some other things I didn't mention. He had been looking for a therapist before on how own but stopped. I even asked mine for suggestions. I thought I was being helpful. Whether or not it was true that he didn't find anyone he liked of the two places he called, I found out he had a multipage list of places to call and lied to me about it.

To this day I don't why he had this mood/attitude shift because he wouldn't talk to me about it.

Tldr: now ex boyfriend's attitude changed, I got scared and left him.