more we use our mind, the less minding power we have. Willpower is like a fast-twitch muscle that gets tired and needs rest. It’s incredibly powerful, but it has no endurance. As Kathleen Vohs put it in Prevention magazine in 2009, “Willpower is like gas in your car... . When you resist something tempting, you use some up. The more you resist, the emptier your tank gets, until you run out of gas.”
