I have a friend who says, "For a time, my life was a series of endless beginnings." He uses that to describe how he could get into relationships or jobs, but never get past the beginning stages. For some people, when the shine wears off, they have to move on...to perpetuate the thrill of newness. I don't know if this is the case with your husband or not. For whatever reason, he can't stay put. He is the one who will have to figure that out.