You were just worried she would use sandpaper and rub vigourously!
Seriously though from the symptoms reported it sounds like I better get both of mine done too. I also have the start of 'Viking Claw' or
Baron Dupuytren's disease.
The Vikings and Baron Dupuytren's disease
And despite diagnosis of related Carpal Tunnel Syndrome I had not bothered to read much about it, and put the numbness in arms and hands down to alcohol induced neuropathy. Some days are worse than others and I regularly take one hand off handle bars to shake it off which works for me.