Progressing physically is not just about logging hours in the gym and following the best program. Its also about how hard you push yourself and how deep you dig during each rep of each set. The ability to exert every ounce of energy and effort while training only comes natural to a few. Most have to be taught how to tap into those reservoirs of tenacity. Couple the mastery of this technique with proper diet and an efficient program and you'll be well on your way to maximizing your physical potential.