Self-discipline is one of the most critical ingredients for success in any area of life. Whether it’s sticking to your fitness routine, building a successful business, or achieving personal growth, self-discipline gives you the power to follow through, even when motivation fades. Tim Han, founder of Success Insider and a renowned peak performance coach, has developed a step-by-step process for building unshakable self-discipline. Here’s how you can follow his advice to create a rock-solid foundation of discipline in your life.