Jeff,
Look at the positive side of it. What other known disease brings a smile to the face of the afflicted? Careful, don't answer that;-) Double guns don't talk back, disapprove of shooting nor misadventure afield, ask you to let them buy something equivalent, ask you if they look fat, model 24's & model 21's excepted [for certain individuals], nor do they take up a lot of room nor are they necessarily cumbersome. They are, as a rule, perfectly happy to be kept in the dark until needing to be used and then returned afterwards, thorougly cleaned & oiled first, of course. I could go on, but you get the idea.
My advise is to make the most of it while you have your remaining health about you, every day afield w/or w/o a dog is better than all other possible alternatives. That is, after all, what it was about. It has not changed. Remember that.
Life would be a good deal richer for some of us if we bought an adventure, like Steve Meyer(sp?), rather than another gun. Just a thot, you under stan'. Glad you brought this malady to the fore.