When he came to the clinic, he started to explain the essence of Taoism, the theory of immortality, and Taoism's Tan-Do. He cited and quoted from several sources to support his thesis, which was closely reasoned and well-argued. Toward the end, he even talked about immortal pills and said that he had the prescription of immortal pills in hand but a few herbs were missing.
"Hello Doctor, please take a look at my son and see if he is suffering from paranoia," said the middle-aged man who had brought the thin-looking young man. "He is always thinking of cultivation and becoming an immortal."
"How long has this situation been going on for?" Wang Yao asked.