These are very subtle things, of course, and I don't expect everyone to pick them up consciously, but I think that there is something there that you must be able to feel, there is an energy at work that I must trust my audience will be able to pick up at some level.
I tried the paleo diet, which is the caveman diet - lots of meat. And I tried the calorie restriction diet: The idea is that if you eat very, very little - if you're on the verge of starvation, you will live a very long time, whether or not you want to, of course.