1. "Would you like to tell me why some are brave and some not?"
2. Shao Yu says, "Warriors always have towering eye sockets and deep-sunken eyeballs; they watch firmly and fixedly with arched eyebrows and a straight, bright line of sight. "
3. They are rough-grained in a horizontal way, have healthy hearts, big and strong livers, and are full of bile.
4. When they get angry, they often behave in an imposing manner. Their liver-energy rises up and they abound with gallbladder-energy.Their eyes become big and bright, their hair erect, and their face takes on a green hue. The strong functions of their heart, liver, and gallbladder determine their character.
More information, please read Two Aspects of Occurrence of Disease.