Why did my ex block me again for the second time on Instagram because I found out that he was talking sexual to my cousin behind my back?

Anonymous
Basically one of
Cousins who was friends with my ex and who had knew my ex way before I did for about 3 or 4 years recently showed me screenshots of him texting her and talking to her sexual while me and him were dating she stated that she didn’t want to be fake so the reason why she didn’t bother sending them months ago is because she didn’t know how to come to me about it plus she didn’t never knew me and him was dating until after we broke up back in may because he had already been cheating on me with another female because I had found out but I’m starting to think that’s he’s very much guilty because even when were dating him and her was still friends and they were following each other on Instagram and they were cool they my ex boyfriend had blocked her around march because he had found out that she had been talking shit about him behind his back and smoking in his face and was acting innocent I’m so hurt and emotional about this whole situation especially with my ex
Updates
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Oh by the way he blocked me for the Second time on Instagram all because I told him that the truth will always come out and he responded and said that I’m weird and that my cousin is weird as well but how it’s like he keeps avoiding the Situation and I’m just tired of dealing with this person betraying me so much
Why did my ex block me again for the second time on Instagram because I found out that he was talking sexual to my cousin behind my back?
3 Opinion