At the wheel of your mind, you have a vast amount of power. You are indeed the CEO and captain of your own life. You must hold the wheel steady but not too rigidly, and steer when the opportunity presents itself, or stay the course when you enter a storm. Either way, your important duty is never done and you must always be vigilant.
Keeping promises is hard. It requires us to do things we don't want to do. But keep those promises you must do. Otherwise, do not make them in the first place. But since you have made them, you must keep them, especially if it would benefit all those involved including yourself.