The better question is how many knees she’s had.

My uncle had 3 replacement knees because he had one long enough to wear it out. Being a tennis pro for almost 50 years is hard on the joints.

1

That reminds me of the catheter commercials..

"I use catheters"

Well how many catheters do you use? 🤔

left knee, right knee, weeney

That's not why they called Grandma "Tripod," but I guess she did still have a third leg of sorts.

it's a magic number (no more no less)