10 Ways to Stay Motivated When Fasting
Recognize that sometimes you need a carrot and sometimes you need a stick.
Rewarding yourself may not do the trick to keep motivated quite as well as if you punished yourself for not completing a goal.
Leading a healthy lifestyle means that eating well, fasting, exercising appropriately, and so on aren't punishments. You may have spent years already thinking they are, and you actually need to completely reverse that way of thinking.