[tremon]

These sound like withdrawal symptoms. It takes time for your body to adjust to a new regime, and for your mind to learn to ignore your bodily withdrawal screams.

I regularly fast (one day every two weeks), and the greatest benefit to me is a more mindful awareness of my gut: I can now tell the difference between feeling hungry because my body expects food and feeling hungry because my body needs it, and can easily decide to delay or skip a meal if I don't really need it. And, more importantly to me, I never feel the need to snack in-between meals.