LO, I am so sorry about your past few days. In a way, our situations are similar, although your H discusses future things with you, that doesn't happen with me. OW has ended it with my H, but sadly he keeps calling her, even though she doesn't take his calls.
Its got to be even harder for you, because your H is visibly trying to work it out with you, while remaining involved with OW. In a way, this is good because your H is confused as heck. I guess we have to look at it as if he was totally 'done' with you, he wouldn't be doing anything to help your R. I think you have to work until you can't do it anymore, so you can say to yourself you tried everything. I would tell you to detach, but I have no idea how to do this. Its easier for me to detach when H is being nasty to me, but you don't have this issue. Heck, I still crave his attention/company even when he isn't nice.