In their book Switch: How to Change Things When Change Is Hard, Chip Heath and Dan Heath share research on how important it is to “tweak the environment.” They write, “Many people have discovered that, when it comes to changing their own behavior, environmental tweaks beat self-control every time.” Environmental tweaks? They suggest using a smaller plate if you want to eat less, putting out your sneakers and exercise clothes the night before if you want to jog the next morning, and setting the coffeepot to auto brew at wake-up time so the aroma helps you fight the urge to hit snooze.30

