Hi sthelen. So sorry about your situation. I'm not an expert either but it does sound like your H is going through a MLC and possibly has some depression going on.It's tough that the counselor he is going to isn't pro-family.
I can tell you that you will start getting better. About 15 months ago I was where you are, crying,an emotional wreck,etc. I couldn't even go to work at times! Slowly I have worked by way to a point where I still feel sad and hopeless at times but for the most part I am able to deal with the situation that I have been thrust into.
It is true that focusing on yourself helps. Buy new clothes, do things with friends, GAL as they say. Take the focus off him. Do what you have to do for yourself and your children.