張子和 Zhāng Zǐhé wrote 《儒門事親》 Rúmén Shìqīn (Confucian Duties to One’s Parents) (1228, Jīn). He is considered one of the Four Great Masters of the Jīn-Yuán Period. Quite a few of his cases involve treating diseases that stem from emotions. Five of these cases are presented here.