His schizophrenia was finally traced back to a terrible tragedy that occurred during his childhood .... Like the mathematician John Nash in the film A Beautiful Mind, Hsiao Ke was a schizophrenic. That is to say, he had two completely different personalities, of which the most common to appear was his six-year-old self- "Little Hsiao Ke."
個案來源：藝術治療師陸雅青就像電影《美麗境界》裡的數學大師約翰・納許，不到三十歲的小可是一個「解離性人格」患者，也就是在他身上同時有兩個不同的角色存在，最常出現的是六歲的自己。