ITH, I have seen it generally on the boards. It almost makes me grateful for being stonewalled but at the same time with that comes a different set of frustrations. Honestly, I don't think there is a catalyst - there is no magic answer apart from time and I think that is the hardest thing.
Say you were to separate, would he cope financially without you? It seems to me like you are subsidising him at the moment. It just may be that taking away the safety net may be an option. Just something that struck me. Jody's the expert, maybe see what she suggests in your session.