If I remember right you guys are already separated correct? If he is in a PA i am not sure there is much you can do outside of filing for D yourself if that is what you want or you can continue working on yourself as JJ suggested.
My W and I are currently separated and I have already assumed the worst even though I have no proof. I think at some point in time we are all faced with the realities of our situation and how long we are willing to wait for our S and/or what we are willing to accept.
