I am upset.

I was sincerely excited to go for a run tonight because it has been an entire week since my last one. Even before I'd completed one lap around my Loop (at one point a couple weeks ago, I was doing 2.5 Loops), I started to register the now-familiar complaint of my left knee joint. I stopped to stretch and squat and to talk myself into another lap. But as soon as I started jogging again, my knee said NO with an unmistakeable jolt. I walked home, swearing under my breath.