Here's a different take for your consideration.
IMO, BSes are usually collateral damage. IME and in my reading, I see that the BS is rarely, if ever, in the WS's mind while they are cheating. My WS was not my enemy, because in a very real sense, I didn't exist for her in many areas of her life.
Further, I found out in MC that even when she thought I was in her world, I wasn't because she usually dealt with her image of me, not with the me I actually was. She still does that sometimes. Often. Hell, I would have been unhappy with the person she made me out to be when in her drama triangles.
Don't get me wrong. The amount of pain I had to process was just under the maximum I could take, almost by definition. But IMO, that's because I was betrayed, not because I thought I was attacked.
IDGAF about intentions, though. My W hurt me, and I had to and had the power to decide what I was going to do in response. Both D & R are reasonable - I just had to decide what I wanted, and since I wanted R, I had to decide how likely success would be.
In any case, I didn't see my W as my enemy. Now that I think of it, I guess I saw her as a potential partner, and I had a free choice WRT pursuing a relationship - pursuing a relationship, not pursuing her. I decided on my requirements for R. She agreed to meet them. She followed through and did meet them. I was right about what I wanted. As a result, we're still together.
If my W had continued to lie, I think I'd have dumped her, but we were empty-nesters, and it would have been easier to split than when our son was young. Your sitch is much different, and I think I understand why you're not quick to pull the plug on your M.
IOW, I didn't view my W as my enemy, and I don't view your W as yours, but I end up at least potentially in the same place.
It's important to note, I think, that I did npt force myself into the above POV. Perceiving my W on d-day and after, I just saw a lost soul who had sold herself out because of her own pain. I believe that's the result of my biology and because of what I understood about love, anger, desire, forgiveness, etc. during my life.
I'm writing about my natural response to W's revelation of her A on d-day. So my reco is to NOT force yourself into one stance or another after being betrayed.
Rather, let your awareness of your own natural response grow as you consider your options. If you truly want D, R probably won't work, no matter how much you try to force a desire for R and no matter how remorseful your WS may be. By the same token, if you want R, even if your WS isn't remorseful (which makes R impossible, IMO), you won't have an optimal D IMO without giving R a shot.
Focus on your healing. Let the R/D action come out of that.
*****
To be explicit: I don't see the WS as an enemy during the 1st A. IMO, the WS moves into an enemy role if they continue the A or start a new A after a d-day.
[This message edited by SI Staff at 5:45 PM, Thursday, April 24th]