..and don't forget Prince Phillip at 96 (today's his 97th happy birthday Sir!) had a hip replacement and less than 2 weeks later went to harry and Meghan's wedding - no stick and standing tall. I know exactly how you feel as being immensely active and sporty wore out my knee and had a total replacement. Not as good as new but so much better than it was - work hard on your exercises and take heart from all the good news stories.
Lame Limericks (but they are funny anyway) (