My early morning walk to the barn to feed our horses has always been a kind of datum line for my recovery. When I first got home this was a challenging limp which I was not allowed to take other than under the direct supervision of my wife and with the aid of hiking sticks. The other day it dropped to 9F (-13C) and I was moving at a slightly elevated rate of work to shorten the time and get back to the warmth of the house. It suddenly struck me as I went thru that regular routine that I was feel