Well that's a turn of events. It's all a bit out of my league but I agree that you need to do what you can to detach from your wife as well as doing what you can to reignite your passion for life.
Me: 31, W: 29 T: 4 M: 2 Kids: 3 (SS: 7, SD: 4, D: 3) Separated, still living together: Nov 2013 Separate bedrooms: Feb 2014 W working away; kids with me: Nov 2014