My big problem would be, I don't think I could do it with no strings attached, I think my heart would get too tied up in it and I think I would end up feeling worse afterwards because of his relationship with OW. If you strongly suspect a PA with OW, then it probably is a bad idea.

But I do see your dilemma because sex was an issue in your relationship before so I can see how you want to show your H that you are willing to work on that aspect. And I am not sure what other way you can show him you are willing to work on it. SAYING you would be willing to do it more is not going to convince him, he will think you are just trying to get him back.

This is kind of out there and would love to know what other people think, but what about sending sexually provocative messages/phone pics, etc. And see what kind of response you get, kind of work towards possibly having a sexual relationship with H again, but not necessarily doing it yet. Kind of let him know you are interested in it. But somehow lay down the law that as long as OW is around, he's not getting it?

Does this make sense at all? Probably not, probably a ridiculous idea. I am so bad at this relationship stuff. I wish you luck.