His right pant leg was rolled up to the knee, and on the end of his big toe was a plastic weight from his dad's weightlifting set. Every second or so, Hayden flexed his toe up, then down.

He also began training for marathons, sometimes startling colleagues by appearing in their offices at day's end in head-to-toe spandex.

Don't stop until you get to twenty, even if you end up with something like "I'm thankful for the shape of my right pinkie toe" or "I'm thankful for spicy hummus and pita chips."