For me it meant internalizing the fact that I have no control over anyone else including my now xAH. It also involved practicing putting my xAH in the hands of God and meaning it. I found visualization exercises very useful in this. I also did what I could to protect myself from possible actions by my xAH and then letting go the worry about whether or not any of those possibilities ever happened (they didn't by the way). Worry about anything doesn't change the future. It will unfold as it unfolds. All I can do is make plans for contingencies and then proceeed with my life.