Soraya Chemaly (not pictured) is the author of "The Resilience Myth."Getty ImagesSoraya Chemaly is an award-winning writer and activist.She is also the author of The Resilience Myth: New Thinking on Grit, Strength, and Growth After Trauma.This excerpt is from The Resilience Myth: New Thinking on Grit, Strength, and Growth After Trauma.In addition to academics, athletics are a major nexus for teaching resilience, in schools and out.