We knew each other for 4 months at the time of this. We were making out, sleeping in the same bed, doing dating things but never dated. She said she was trying to show her affection for me, but wasn't ready to date. She then told me that she wanted to stop doing the dating stuff because she felt it wasn't right outside a relationship yet, and although she cared about me, had feelings for me, and was attracted to me she only knew me for 4 months and likes to know people longer before committing, and took her a year to decide to date her last bf.
Now I find out after only knowing this other guy for 2 months she is now sleeping in the same bed with him. This means she lied to me about the "dating stuff not being right outside a relationship" and if they are dating then she lied about the needing to know me longer thing. Also means she lied about needing to show she cares in a less bf/gf way, and that it was going on before she even told me she lost feelings for me.
Should I even be her friend anymore? I was going to be cuz I understand feelings change, but after finding out she lied to me after saying I am a really good friend, I am not sure anymore