The 75 Hard Challenge is specifically designed to build discipline by requiring participants to adhere to a strict set of rules for 75 days. The program's structure encourages participants to engage in daily habits that promote physical fitness, mental resilience, and personal growth. By committing to the challenge's requirements, which include two daily workouts, adherence to a diet, and avoidance of cheat meals and alcohol, participants can develop the self-discipline needed to achieve long-term goals. The challenge also includes a daily reading habit, which can include books on discipline and self-improvement. By sticking to the challenge's guidelines, individuals can cultivate the discipline needed to overcome obstacles and succeed in all areas of life.