Introduction

Your life is tough, huh? Try keeping your lips zipped while getting tortured by frostbite-inducing ocean currents for days on end. Or pushed to the brink of collapse with zero sleep, sharks circling, and a ruthless instructor screaming to just give up already. This was just a typical day in SEAL training for our author, William H. McRaven. Yet against all odds, he and a rare few found their supreme "oh hell no" motivation to conquer the unimaginable.And the mind-blowing...