So, my ex always had this insecurity of me fucking his best friend and he's not even that attractive but we became friends and totally vibed on so many things, our bond developed over 2-3 years and now we are best friends, it's the most amazing sex I've ever had. And he's a true friend to me. It's fucked up because me and my ex ended on good terms and always have an opening in future if we are in the same town ( reason for breakup was distance and w few things messing up). But if he gets to know it'll be over for me completely, because my ex labelled me as the best girlfriend he ever had. The problem is, I think I'm in love with him. But I'm never gonna let him know. Just gonna enjoy while it lasts and hope no one finds out. I can't lose either of them. But why is it so weird if I did something after a long time of our breakup? Oh god save me!