you are very LUCKY that your feet are SWEATING? Mine had stopped-for over 3 years...COMPLETELY until a short while ago! At least one part of your system's working! Look on that bright side, I admit it's hard, but let me tell you that when you DON't Sweat, you really have no CLUE at all as to where you are or aren't.
As for patience? Well My onset was almost 4 years ago, and I've received agressive treatments and am lucky, my feet are starting to SWEAT! Silly but true, that such a 'small' issue could be an indicator of health? Nerves die by inches per hour, grow/re-grow 1/4 inches per month. Patience here is definitely not only needed, but REQUIRED?

for you and your journey...let it be an enlightening one, not one of despair. Keep pushing, plugging and persisting...you WILL get there...whereever it's supposed to be. Good thoughts till later - j