2. Increase resilience through training.

Practice and preparation makes it easier to harness our inner sisu. Studies show that our bodies have hidden reserves that it naturally draws upon when we need them most. So the more we challenge ourselves, the more we pick up on habits that bolster our resilience.

Focusing on my breathing to calm my nervous system was the strategy that improved my running. Over time, I went from a beginner to clocking in 10 to 15 miles a day.