Possible new friends?

I went out tonight after work. We stayed out for like three hours just talking. I'm worried a bit because it was a lot of bashing my ex and making fun of all the awful shit she says about us. I just... I don't know I think I'm overthinking it now. It was really fun at the time and I was able to vent and learn about what she had been spreading about me. I just... I don't know...I want to move on. I want to have friends again. but I don't trust anyone anymore. ugh I feel like I used all of my social battery and now I'm just... drained.