So, here is what I'm talking about. I'm 23F and one of my best friends cheated on her boyfriend. I felt disgusted by this. I didn't tell her bf or anyone, but i just stopped being friends with her. We were friends since we were 14-15. I still say "hi, how it's going" or some shit like that when i see her randomly at a coffee shop or something. Is it the best thing to simply distance yourself from cheaters even if they were your friends for a long time?

I didn't tell her bf because then they'd both be mad at me and I'd still lose a friend anyways. And the guy she cheated with is an owner of a small coffee shop/bar all 3 of us go to regularly and he's married, so it would be a big mess if i said anything and i hate drama