Don.......I've come to a conclusion. You're the 800 lb gorilla in the room. They're going to have to cut you down with an axe or you'll go on forever......like the Duracell batteries advertisement.....they keep "running and running and running!"
No doubt being a very active person, you need to get up and get out, but for sure you want to do that when you are at your best.
Hospitals are the worst for infections and many have a poor record in that regard. This time they didn't have the luxury of your being completely prepared for the procedures you've had.