R'ing BS: Would you want to know?

I am a single xOW, was involved with a MM for 15 months. It was the biggest mistake of my life and I have paid for it since so please, no harsh comments. I loved him and he said he loved me but on dday chose to work things out with his wife. I was heartbroken and wanted nothing to do with him ever again. NC came from me, not him nor his wife. We work in the same company in different departments so keeping NC has not been an issue on my side. He is the one contacting me every other week, emailing, calling me at home and showing up where he knows I'll be after work. It makes my getting over him extremely difficult and painful and I am left wondering why he chose to R with his wife if he can't "imagine a life without me". I told him to respect NC for my sake if not out of respect for his wife... he says his wife knows he is still talking to me and she tolerates it as long as he recommits to their M. It makes no sense given what I am reading on TAM wh at with NC letters, strict NC as a requirement for R... I know his wife wants to R, maybe she's afraid asking him to give me up will push him back to me? I've made it clear that I am done. I've given him more than enough time and chances and all he did was hurt me. I would never take him back even if he came crawling back with divorce papers and his wife's blessing... I don't want to get involved in their R but since reading up on what a BS goes through on TAM, I am wondering whether I should inform his wife of his behavior since dday. I think it's the decent thing to do as I suspect they are in false R but I also feel it is not my place to interfere. I've never communicated with his wife in any way and am not keen on starting now. I do know a lot about her husband that I know he would never tell her. Key information that I think his wife deserves to know. As a BS, would you want to know the full truth assuming your WS came clean but left out the most painful bits of the A to limit the damage? I have reason to think that his wife is going into R thinking he told her everything and has now become transparent about his past and present behavior... when she has in reality only seen the tip of the iceberg... BS, would you want to know the full truth from the OW or would you rather accept your WH's story as the truth?

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