Steve Magness is a world-renowned expert on performance. He is the author of the new book Do Hard Things: Why We Get Resilience Wrong and The Surprising Science of Real Toughness. He is the coauthor of Peak Performance. The Passion Paradox, and the author of The Science of Running. Collectively his books have sold more than half a million copies in print, ebook, and audio formats. For this episode, we dive into the both the application of training principles as well as the balance of "mental toughness" and measurable metrics. We also discuss Steve's article in the Atlantic, where he discussed sex categorization in sports. LMNT: drinkLMNT.com/HPO Support HPO: zachbitter.com/hpo  HPO Patreon: patreon.com/HPOpodcast Zach’s Coaching: zachbitter.com/coaching Atlantic Article: There’s Good Reason for Sports to Be Separated by Sex  Steve: stevemagness.com IG: @stevemagness Tw: @stevemagness FB: facebook.com/stephenmagness  Zach: zachbitter.com IG: @zachbitter Tw: @zbitter FB: @zbitterendurance Strava: Zach Bitter