Guys, I think what ETF is trying to say is that willpower is powerless without the right amount of knowledge, planning, and execution involved. I personally have seen friends of mine run themselves into the ground and overtrain. Why? Because they actually tried too hard . Because they lacked the knowledge to know when to take things easy, or to just goddamn eat something, they lost everything. Good planning, consultation, and execution, combined with that willpower, would have got them where they wanted to go.