Bad friend?

SERIOUSLY. AM I SUCH A BAD FRIEND? 

I'm fucking mad at myself and at you. 

First was someone whom was dear to me. She always had my back when we were 15/16. But things changed after we went to different schools. I NEVER KNEW WHY. okay fine, I admit I was a bitch cause I bitched about her behind her back when I found out something. I WAS WRONG, I SHOULD HAVE TALKED TO HER INSTEAD OF .... 

(deleted) 

I was thinking too much.