Joe De Sena is obsessed with discomfort like few people on the planet. He’s the founder of Spartan Races, a series of obstacle races ranging from a few miles for beginners to grueling marathon distances for elite athletes. He’s known for doing hundreds of burpees every day and pushing people to their absolute limits in … Continue reading #8: Discomfort Is Like Oxygen. Spartan Lessons From “10 Rules for Resilience” by Joe De Sena and Lara Pence (Part 1)