I can run a route in my sleep, every shortcut and the shortcut around the shortcut. But my knees ache getting in and out of the truck now, and the app keeps shaving seconds off what it thinks each stop should take. I'm the best they've got, and the machine still squeezes me tighter every quarter.
More people experience this than they realize.
You've mastered the route, but your body is worn and the app keeps squeezing you harder.
If this sounds familiar, the Library can help you find the bigger picture.