This guy that has 10 exes dumped me why?

I am the problem or is he? Since I knew him he never had any real friends and just had girls he met on Tinder but a lot of them eventually blocked him. I feel shitty because he would say bad things to me like I'm a liner and boring. Also he would say I'm pale and the way I dressed? But I looked on his page and he's daring some girl with the same style as me and very pale
This guy that has 10 exes dumped me why?
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