There is one talent that is more crucial than any other if you want to live a life of meaning, develop healthy habits, and accomplish your goals: self-discipline. Punishment is not the goal of self-discipline; self-respect is. Living your best life is what matters, not being rigid. In a world full of distractions, it gives you the superpower of focus, enabling you to overcome laziness, justifications, bad habits, low motivation, mistakes, and...