My heart goes out to you for the separation you feel with your husband.
Is this a decision you should make in a vacuum, all alone? Who do you talk to (aside from you OM.. err.. OCat)? Being isolated emotionally from friends you've known who will support you as you need is tough.
How about that counselor?
It's tough working in the same place with him and her, him being seen as the 'savior' and big wig.