Physical Faith, Part 3: Motivation is not what you should hang your hat on when it comes to the nitty gritty of daily making healthier decisions. You have to go further because even if you have the best reason in the world to take care of your body motivation is, as we all know, a fickle mistress. So we must move from motivation to something more dependable, something that is going to stick around even when we don’t want it there. What we need are habits.