This goes back to the conversation about ego depletion. Remember—you have a limited amount
of willpower every day. When it’s depleted, it’s hard to control your impulses.
An important part of this plan is to focus on changing one habit at a time. Think of the New
Year’s resolutions many people make. They usually start the year with a lengthy list of habits
they’d like change. Instead of focusing on one behavior, they try to fix their entire lives—all on
the first of January