The 40-Day Sugar Fast- Where Physical and Spiritual Transformation Meet Book Review focuses on how to kick the sugar habit and gain self-control. The journey teaches people how to stop obsessing over food and instead focus on Christ. We often turn to sugar as an easy way to alleviate boredom and emotional stress. The truth is, we crave sugar in order to avoid a variety of uncomfortable feelings and to fill our cravings. The fast teaches readers how to give up the addictive habit and replace it with self-control.