Is AUTHOR wrong in the post ? POST : My fiancé and I have been together for three and a half years. About six months before we met, my girlfriend of five years broke up with me out of nowhere. It was a huge shock. I was very close with her family, including her younger brother.   


When my fiancé and I first started dating, I cut ties with my ex's family as per her wishes, which I understood. Fast forward to now, and I get a beer with my ex's brother after years of him asking every 6 months or so. We have a lot in common and are legitimate friends. We were supposed to hang out a few days later, which I told my fiancé about. She said she felt weird about it and her behavior completely changed. I realized after three and a half years, her feelings on this hadn't budged. I cancelled plans with my friend, but I don't feel good about it. I kind of get where she's coming from, but he was my friend for 5 years and like a little brother to me. I hate having to cut him out of my life completely, but I also don't want to make my fiancé uncomfortable.

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As of now, I won't be hanging out with my ex's brother. AITA for wanting to hang out with him?