Only reason I am spot on ... I have the same issue.
Letting her walk her walk, not helping her, not protecting her goes against every ounce of fabric that I thought I was made of ... why .. because I have to let her go, doing this means releasing her into the world and accepting the fact she may not return, was never mine, leaving me ... ALONE ... and thats my fear, the loneliness is crippling at times. That is what my current battle is, slowly .. and I am talking snails pace slowly I am starting to understand where this came from, why I feel this way, and how to just accept it all.