Am I wrong for not giving my wife another chance after she asked for open relationship?

Anonymous
My wife came to me with the idea of open marriage. I seriously thought she was joking. So I was humouring her but I soon the realization hit me that she was serious. I asked her whether she is seriously asking me if I will be okay with her fucking other men. She started talking about BS she read on blogs and books she has ordered blah blah blah, I barely registered any of it. I sat their in silence watching her talk in excitement about it like she has discovered gravity or something.
Then I lost my patience, I told her to shut up and listen to me carefully. I said the moment she is fucked by another man, she will become too disgusting to be allowed in even same room as me. Last thing I registered was her pale look. I went to the bedroom and locked her out. I took some xanax to calm me down and drifted off to sleep. I dont remember anything else from that night.
Next day I woke up and for a moment I thought everything was okay then it came back in full force. I crawled out of my bed and tried to muster up some calm. She was in the living room with swollen eyes and tried to backtrack on it, said she was sorry and she wasn't thinking straight, blah blah. I just told her that I am leaving her and I am not gonna change my mind so do not waste your breath.
She made the excuse that it was open discussion and if I had refused that would have been the end of it. I told her that I dont really fucking care, she is not someone I want to call my wife. If she wants to fuck other men I am setting her free to live her life as she please.
She wants another chance, she wants to go to therapy, I dont really care for it. She tried to tell me to give her another chance for the kids and I was like dont... go there.

Am I wrong?
Am I wrong for not giving my wife another chance after she asked for open relationship?
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