I want to talk a little bit about an old Medieval science called Humorism. The idea was that humours are four different fluids in the body, which must be evenly balanced for optimum health. The balance of these humours also affected your mood or state of mind. It was thought that people could be born with a certain imbalance of the humours, and this imbalance caused certain physical traits as well as personality traits. The type of food you ate was believed to affect the balance of your humours, and so certain diets were recommended to treat different imbalances. The four humours are associated with the four classical elements of Earth, Water, Air, and Fire. This belief, originating in ancient Greece, was also taught in India. The theory dominated Western medical thinking for more than 2000 years. "Dragons" Fire - Choleric People with this temperament tend to be egocentric and extroverted. They may be excitable, impulsive, and restless, with reserves of aggression, ...