So why does my ex believe and say I talk badly about her when I don’t and we dont even have the same friend group?

So I’m kinda confused and don’t know how to take it bc there still is feelings there and we were best friends till it ended in a fight. Could it be bc I never reached out?

So why does my ex believe and say I talk badly about her when I don’t and we dont even have the same friend group?
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