ZEN Home Study Course Reviews. It’s the most natural and powerful drive for you to want to look and feel good. There’s nothing shallow about it whatsoever. You’re hard-wired to do it. How come? Because the survival of the human race depends on attracting a mate and to be blunt… Making baby’s to continue the species. There’s a reason the health, vitality and fitness industry is a booming multi-billion dollar a year business. Because it taps directly into this primal desire you have to look good and feel great. Problem is though, as a result there’s a huge ocean of materials and products to choose from. Take dieting as an example. I just did a search on how many diets are there? One of the search results was a Wikipedia page titled: List of diets. Loading it up I counted 98 different diets. 98! No wonder trying to find accurate and helpful advice on something as simple as what to eat quickly turns into overwhelm and if you’re like most people.