Here is an interesting article on "The Myth of Self-Control"
https://getpocket.com/explore/item/the-myth-of-self-control
".... you find yourself in front of a pile of cookies, researchers say the pile of cookies has already won."
i am inclined to believe that low can diet is yet another market-friendly charade to let you eat without too many restraint on quantity. What pinches hard is the call to intermittent fasting or to keeping the food quantities small. Restraint and self-control goes against the grain of market...