Sorry you are in this situation, but you are in good company. You sound great, and my advice is to begin dealing with the grief over the end of your marriage as soon as possible. Begin working on acceptance that that part of your life is over. It's gonna hurt. A lot. For a long time. Sorry.
But at the same time, you take care of yourself, your kids and you start to get a life of your own, and eventually find a partner who is not stuck on his memories of high school glory, but lives in the present and wants a wonderful woman like you. It will happen. With Internet dating it's much easier than you can imagine. You don't want a life with an unapologetic, active sex addict.
Good luck.
"Now some kind of man, he can't do anything wrong. If I see him I'll tell him you're waiting." ---Lowell George
