The next part of health is diet and nutrition. Your diet does not affect the fuel for your body determines how you look, feel and function to determine how it looks, feels and functions. The idea of intellectual fitness is being a thing that you have to force yourself to do things you're not good at to exercise your own brain. While carried in the chassis of the body, the mind is supreme. It needs to be protected, nourished and trained. We also need to train ourselves to improve how we deal with the challenges in our personal world,. making the best use of our limited time and money and setting goals all contribute to personal development.