My wife told me she let a co worker feel her up while dancing at a club after a work anniversary ball. How to be her friend and not be furious?

Pancing
To open my wifr is in the military and i am not. We live in two separate countries. She told me a few nights ago that she had let a friend or co worker feel her up while dancing and she reciprocated by grinding him she later got asked to leave the club for whatever reason and he texted her asking her basically to have drinks at his place to finish the night off to which she said she turned him down. I asked her why she told me and she said she didn't want to hide it. I got very angry and at first she didn't understand why because she thought i was different and she thought i would just laigh it off because nothing happend. In my rage i told her not to tell me anything like that again and if she cheats on me to bury it. The next day she understood why i was angry and we talked it out and shr thought i could be a friend to her. She finally understood why i was angry as she talked to female co worker that was with her that night and said that she shouldn't have told me. My wife was terribly afraid i was going to leave her and i reassured her i was not and we are okay now. After everything she asked me if she was a terriblr person for wanting to be touched as it has been a few months since I've seen her which i understood and already knew that was why the events happend. My question is how if possible can i be a friend and a lover to my wife?
My wife told me she let a co worker feel her up while dancing at a club after a work anniversary ball. How to be her friend and not be furious?
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