It continually amazes me how much people want them to come home. If they only knew just how much work it takes when they do I wonder how many would still have the courage to want that.
K, there is a saying in most 12 step groups that is shall we say appropo here, "progress not perfection". I am not saying this about your husband, I am speaking of you. I hope that you can find a way to see the progress that you make and are not expecting perfection out of yourself because you will be continually let down.
I also read along and wonder if you truly know what actions he could take that would make you feel like there is an effort being made. In other words are you looking for the whole ball of wax or is there some small steps that you are able to acknowledge in him?
I do not know anyone who has begun piecing and had it all peaches and cream, maybe I am wrong, but I have not seen it.