Freedom vs discipline with food and exercise

Most of us consider willpower and discipline when it comes to healthy eating a must. How can you be without it? If you let yourself eat as much as you want and what you want, and not exercise you might end up as a fat lazy slob on the couch watching show reruns. Or would you? What if taking out our desire to control, to discipline ourselves, we start living a more in-tune and aligned life with our body and our internal wisdom?