Good job. It's hard definitely, but something that's been needing to be done for awhile. I would also suggest that you have a comprehensive list of what you expect in terms of a separation. Like who gets what. Time with the kids, etc. Do that first and foremost so that you can get what you want out of this.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.