Gaslighting?

I’ve been in the bdsm community for a while and I’m just seeking some advice. I’m an age regressor/ little, I don’t do age play. I’m also a sub so it’s a little hard for me do get if this is gaslighting. So I’ve been dating this dom for about 5 months now. He always started fights and then would bring it back on me like it’s my fault. About two weeks ago I just couldn’t take it anymore because he told me he slept with a girl and that it was payback for replying to a guys comment (it was just me saying thank you). I blocked him after that, and then he made another account saying that he actually didn’t sleep with her and he just wanted to hurt me. So I just didn’t answer and then he started calling me his little girl and obviously my little side was happy, but I knew he was wrong. Then he kept asking if I was seeing someone else. I was talking to another dom strictly to help me regress. I told him and he said wow well look at this for a second. It was him fucking a girl. A video. So I just was so confused and hurt of course, but then I told him that I had regressed with the other dom and he just bashed on me saying how I’m the only one in the wrong because you can find anyone to have sex with, but it takes time and trust to regress with someone. I understand the relationship between a cg/dom and their little is sacred, but we were broken up? And he just sent me that video? After that I just got so stressed that I slipped into my headspace and he was talking to me like we didn’t just get into an argument, how i’ll always be his and that even if we break up ill still be his. Um so yes advice please? Sorry if it’s a bit confusing. Thank you :)