GAL is to help you move on, detach and explore all those things you have ever wanted to do. You know you are detached when her actions no longer impact your emotions. You are not detached and for that matter I am not either but detaching is a process.
You have to stop wondering what she is thinking, doing, etc. GAL helps with that however the only real solution is time. The more distance you put between her and yourself the easier it will be for you to detach and move on emotionally.
Make yourself the best JM you can be and if/when she notices then she may choose to come along for the ride. If she doesn't then you will still be the best jm you can be for your kids and your next relationship. Either way it is a win/win but you must stop focusing on her.