[Description: A three panel comic depicting me trying and...

[Description:  A three panel comic depicting me trying and failing to do lunges, as they hurt my knees.  I explain that I’m getting to an age where things are starting to hurt.  To compensate for the lunges, I do a wall sit instead, which I hate, but am ultimately getting good at because I have to do them so often.  I further explain that I feel like I’m fighting a ticking clock.  And it’s frightening.]