" Second, your willpower to achieve your goal has limits. Think of it as a battery pack that runs down at the end of the day. This means you should preemptively avoid temptations and distractions, and make it as easy as possible for you to work on your goal. For a weight loss goal, this would mean making it easy to eat healthy and workout by packing your lunch, and always having clean gym clothes, and avoiding buying snacks altogether. "

― Peter Hollins , Learn Like Einstein: Memorize More, Read Faster, Focus Better, and Master Anything With Ease… Become An Expert in Record Time (Accelerated Learning)