That's one of Dr. Fung's arguments, there are a lot of creative diets that become reasonably complex etc and are hard to follow over the long run. He also point

That's one of Dr. Fung's arguments, there are a lot of creative diets that become reasonably complex etc and are hard to follow over the long run. He also points out the difficulty of portion control in the midst of a meal. Fasting is pretty simple as far as all of that goes. You don't eat.