Your words resonate with me as well, FSolo. Particularly with regards to the following:
1 - "I have been too focused on 'fixing' D12 I forgot to really listen to her." The gift of listening, as opposed to fixing, is a precious one. I wish people on this board would remember this as well.
2 - We appear to be in similar emotional states. Wanting to detach; blessed with the tools and opportunities to detach. Yet, very much still in love with our respective spouses...with all that comes with it: the grief, the longing for emotional intimacy, and the deep desire to bestow love.