Mac,
Me too. I had total knee replacement surgery on my right knee two years ago. My concern after surgery was my ability to get into, or out of the cockpit. Two weeks after surgery I tested that ability and I was able to do it fairly easily. My biggest challenge was just getting up on the wing. I made my first post surgery flight about 5 weeks after surgery (when there were no medications/after effects that would impair anything) and I had no problems. I too have a footstool I can use while at my hangar, but that’s not always available. I can still do it with just a little extra effort, but eventually, maybe not. I’ve had a great career, and a long history with my love of aviation, so no regrets. I will do this as long as I am able, and can do it safely for me and others.