Moth, welcome to the forum. Best place to be under the circumstances.
My situation has been going on for awhile but I am only a few months into the DB process. The board and the people here are incredibly helpful......
Detaching is a tough thing to do - food for thought....... if here feeling is that you were emotionally distant then pulling further away may just be perceived as more of the same by her.....
Keep working on you becoming the best person you can be - for you! She will eventually see that.
Keep posting and others will continue to provide comments and support.
Me-48,W-51 M-22,T-24 S- 18,16,9 Feb-Jul '11 Away from Home, after initial B date Aug-Dec '11 Back at Home on couch Dec '11-now Same bedroom, room mates only Dec '14 W files initial D paperwork