I am in the same sitch as you both. I honestly think my H feels he can never actually communicate what he has felt/done because of self-esteem issues. We went to MC and the C asked "why" he left and he just said he "was done" and coldn't come up with any better explaination. Since then, if any of our interactions become heated then he just walks away. I would never ever want to go back to that type of R. But, as we all know, we are scared, lonely and there is love.