Youve read the theories about leptin and refeeds over at par deuses board right? This is a primitive version of that before they understood the mechanisms by which it worked. On the low calorie days your leptin decreases and then when you refeed on the high calorie days youre leptin levels rebound but your overall calrie deficit is still maintained. All in all use swoles ideas or dantes ideas or pars ideas before you use an antiquated diet like this. Par has good articles on leptin in his monthly mag I suggest you read them.