Stacey, I just wanted to offer my words of sympathy and support for you as well. I know it seems like there is no hope and the pain will never end. But you need to know that while you are alive there is always hope for things to get better!
Keep trying to move forward and force yourself to GAL and keep up those positive changes.
Sure it seems like your WAH is happy as a clam in his new life, maybe he is. But that could change, and probably will change. Keep your chin up you never know what the future might hold.
For right now you need to focus on your own life and your future. Try to plan something fun, interesting and exciting for early 2015. Do something nice with the kids or your friends, maybe a weekend getaway or a cool adventure? Something new and different to shake things up.