If daveage68 is still reading here, I hope he knows, or has been told by now, as I was, “You are not the burden. The disease is.” Keep working with your neurologist and if that doesn’t work, find another one. Do all the tests, which may wind up still as idiopathic. Keep your legs, core, and upper body strong through exercises, PT and chair yoga. If you can find Aquatherapy, the water allows for resistance to muscles, greater freedom
of movement, and safety with a knowledgeable PT in there with you. Call friends and listen to their lives. Keep your body and spirit as strong as you can. Stay connected here. I hope this somehow helps you.