Me and my X has had times since BD were things have been almost like before. We laughed, smiled, shared stories etc. Right now it's back to being a bit cold again.
If I understand you right, the path you have chosen has given you good results, right? Do you have to change it?
As for the resentment. I expect that to be normal and I fear it will happen to me as well if things start to head towards R.
But why let resentment destroy all the work you have put in? I'm sure at some point the resentment was one of the least important things in your sitch? Isn't resentment just the ego talking?
Together for 8,5 years. S2 Interest in OM. She left 29.09.12 b/c we couldn't work things out. No signs of OM, not digging. Living in seperate homes, sharing custody.