TLDR wife told me she used to make out with guys in the club when we were younger and I don't know what to do next.

My wife already knows about my kink. She's not into it at all but accepts it. A long time ago I found out she cheated on me, she says they only kissed but I think they did more. She swears it was the only time anything like that ever happened.

We're in our 40s now but when we were in our 20s and 30s she would go clubing with her friends and when she would come home, she'd wake me up to have sex, she would be super horny. We would offten reminisce about that. As we got older we stopped going to clubs and she's gotten rid of those friends, so those late night sessions stopped for us. I always thought she was cheating but tried being cool about her going out without me.

Last night we were drinking some wine outside and we were talking about how we first had sex with each other. As we talked more I was able to get it out of her that there were more guys she kissed at the clubs and that it happened more often than not. After a while she got uncomfortable talking about it, saying, "I know it turns you on but I don't want to talk about it anymore."

When we got inside, she wanted to have sex and she started to ask questions about my fantasy, as we were drunk she was a bit combative with her questions and I was not doing a good job at answering them, I was probably a bit combative too trying to defend myself. We ended up not having sex but not angry with each other, just a bit turned off.

I want to talk about it with her again today, I think that maybe a good way to move things forward is to say we can go to a bar or club separately and she can dance, flirt, and kiss other guys, then she can have sex with me when we get home. Today she's being super normal like nothing happened yesterday but to me that was a big deal. Not sure how to approach this but I don't want to lose the momentum.