Mu Qingxuan of the Qihuang Institute felt deeply reluctant when he heard that Zhang Xiaohua was going to the inner valley. He knew that Zhang Xiaohua had attained such a level in medicine in barely over a month; his future achievements would surely be boundless, perhaps beyond even his own master's. But this was the martial world. Zhang Xiaohua was first and foremost a peerless martial arts master, and only afterward a healer with a compassionate heart.
Therefore, though he beat his chest and sighed over the loss of a divine physician, he did not make any futile attempt to stop him. During those last few days, he carefully imparted all his experience in medical practice to Zhang Xiaohua, even giving him his own writings and treasured rare texts without holding anything back. Zhang Xiaohua was left utterly baffled by Mu Qingxuan's behavior. He was only going to the inner valley to observe alchemy, not leaving the Qihuang Institute forever. Was there really a need to make it seem like a living farewell?
Still, this was an excellent opportunity to learn, so Zhang Xiaohua listened with utmost seriousness, absorbing the essence of this miraculous art of medicine.
A few more days passed. After that day's lesson, Mu Qingxuan said, "Young Hero Ren, I have more or less finished explaining the matters of medicine. People have seven emotions: 'joy, anger, worry, contemplation, sorrow, fear, and shock.' They also have five viscera: 'heart, lungs, liver, spleen, and kidneys.' All contain the principles of the Five Elements. Joy belongs to fire and corresponds to the heart; anger belongs to wood and corresponds to the liver; worry and sorrow belong to metal and correspond to the lungs; contemplation belongs to earth and corresponds to the spleen; fear and shock belong to water and correspond