Yes, it is hard, when things feel like they are backsliding, to not believe that it isn't a permanent condition. But it isn't. All relationships have their ups and downs, the downs just feel worse because of all you have been through.
One thing, you might try listening even more then you already are and instead of giving a complete answer, merely nod your head and smile sweetly or say something innoccuous like, hmm, or really? or anything that shows you are deeply interested in what he has to say without offering an opinion or solution. It sounds like he needs to talk things through in his own mind and just wants a sounding board without any solutions being offered.
Keep your chin up honey. Things will improve. They did before and they will again.
