A work friend of mine has invited my ex to a work social. He is good friends with my ex and was good friends with me (independent of his friendship with my ex, we knew each other separately through work) until my ex and I broke up and then he basically pretended I didn’t exist for a year. He did apologise and I thought we had moved on but then I found out he invited my ex to our next work social. He doesn’t work in our industry so there is no need for him to be there. I feel like any reaction I have had has just been chalked up to my being a hormonal woman but I just keep thinking how would he feel if I invited his ex? And I’ve tried to explain that but the reaction was that it’s different because I dated him for 10 months and he was married to her for 10 years. My ex wasn’t horrible or dreadful, but the breakup was horrible, I was very much in love with him and I cried every day for months after we broke up (and yes that probably makes me a pathetic loser but that’s how it was). To me though that makes no difference, I would be considerate regardless of how long someone had been dating. I only found out from another friend or I would have been blindsided at the event. Weirdly, it’s actually less about my ex being there and more about what I see as a betrayal from my friend. My other friends have said well he’s a man so he wouldn’t have thought about it. But I just don’t think that’s a good enough excuse because I would never do that to him. And as I said, he doesn’t work in our industry so there’s no need for him to be there anyway. But maybe I am overreacting?