How to deal with hypocrisy?

So my now ex was always liking girls inappropriate pics on instagram, and it was mostly girls he knew and in his area. He even gave out his socials to women he met at bars..

I told him several times it hurts me and that it isn’t okay but he kept doing it.

Well, then I thought, we are playing by the same rules right. And I liked one guys photo. That’s all I did. And he broke up with me for liking ONE photo after everything he did. What?

How to deal with hypocrisy?
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