I think when the pain is that bad, you'll do anything, but change is difficult. If this works for her, she probably is not able to really grasp any idea that could work just as well or better. People in altered states are not known for thinking clearly .
I used to get really angry at the idea of people drinking. It was absurd and I KNEW it was absurd, but I couldn't let it go. Not sure what changed, but I was able to move past it eventually. Not a bad idea to talk to a pro at least once to see if you can find some peace.