Why do I have the mindset of thinking that almost every girl is evil and how can I change that?

I know they are humans but i always feel like women think im ugly, even though no one said that.

i have had a few flirt with me but i thought they were just messing with me.

why do i think like this? It has affected my dating life.

Why do I have the mindset of thinking that almost every girl is evil and how can I change that?
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