Guy's Behavior

Why would an ex block me, my whole family off of social media months later?

We dated for ten months, it wasn’t a good relationship. He would lie, manipulate and gas light me. He wasn’t caring, kind or anything as the relationship progressed. He wanted to marry me right off the bat. But it all turned for the worst as the months went on. He told me he didn’t want to touch me, spend as much time with me and didn’t feel anything when I was sad. This man had moved to my town for me and everything. He said he didn’t see a future with me or anything after lying to me for 10 months. We broke up he messaged me for about 2 months then went silent. Then a few months later he blocks me on social media, the next day sends me a random tiktok through the app, and then the next day says he wants to return my things. Which he never did. I forgot I still had him on Snapchat because I muted him from my stories and I know he had muted me as well. He made a post about his private account and I didn’t think much of it but the next day he posted “things” about his new girl. Which I know were directed at me and I bet he check the followers list. He made me promise to never ghost or block him. But he went ahead and did it. Plus he blocked my whole family, if he has a new girl? Why wouldn’t he just block me and not care about my family? I don’t understand his mind, and not returning my things was weird? He didn’t want to meet up to return my things, and then I messaged him Layer when he would and he then said he’d do it on his day off which before he said he’d do it in the morning before work. I never got my things, I’ve blocked him on all forums of social media because I do not need his toxicity in my life. But why would he block me if I was nothing but ever nice to him?
Why would an ex block me, my whole family off of social media months later?
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