The 180's/changes are for you, not to win her back.
She is on her own journey - let her go - I know how hard it is, been there and done that.
Take whatever love you have for her and put it away in a safe place. A box maybe and put it up on a shelf. You can always get it down later if you need it.
I can only tell you that DIVORCE = SPACE if you dont give her enough she will take it anyways.