Ex GF with another guy tonight
So, My ex and I broke up about 2 years ago from about a 2 and a half year relationship. Well of course stupid me decided to try to stay friends with her. She is my best friend in the whole world, and also I am deeply in love with her still. She also tells me that I am her best friend and that she never wants to lose me, anyway from the time we broke up to about a few months ago we were still having sex, bad thing I know. Anyway I guess I have been just hoping that things would change over time, and that she would want me back over time. I am so hurt today, anyway this guy she meet the other day at a bar. I guess he's friends with one of my ex's friends. So yeah the other day this guy called my ex's friend to ask for her #, I guess he called her the day before Christmas eve. So on Christmas eve we were hanging out the ex and I and she told me that he called her and asked her to hang out today and go to the show. I am so hurt right now it was truly a reality check. So yeah we talked about it last night and I guess she has no feelings for this guy yet and is going into it with a open head. She told me that he might be a guy and might not be a guy that she can date, she just really doesn't know him and wants to see. I just don't know what to do, I am so sad right now and heart broken. I just feel like I'm going to lose my best friend and the person I love so much. I think when I hear from her tonight, that if she thinks that she might have feelings for her I'm just going to end our whole relationship, I know it has to be done. I was hoping so much that I would fiend someone before her to get over her, so that we could stay friends. I just feel like she is my everything and that I'm losing it all.
Any advise would help