diet and exercise routine slowly chip away at their own resolve until they wind up doing something they didn’t want to do . . . because they eventually couldn’t say no to themselves. That’s one of the toughest parts of following a process, or creating a new habit, or simply trying something new and difficult: saying “no” to yourself. You want to take a day off and you can’t say no to yourself. You want to have dessert and you can’t say no to yourself. You want to run farther but you feel tired and you give in and don’t say no to yourself.
