I think the resentment sticks out to me, because that is something I felt was really starting to come back to play for myself during the end of the summer.
This is not an easy road that we have choosen, but it is one that we choose. We have complete control over how we choose to react, whether to fight or give up, to be bitter or to learn from this. Sometimes reminding myself that this is a choice that I made helps me.
Optimist, I think you should consider moving over to piecing, the issues and feelings you are dealing with are something that the group over there has tons of experience with. And it really looks like you are going in the right direction of getting your M back on track.