"What the hell, how... how did you know that?" the chubby man asked, startled.
Chen Feiyu explained, "The tip of your nose has a blackish-yellow tint. Black corresponds to the kidneys and governs water, which indicates that you have a weak constitution with dampness, hence your nocturnal sweating. Furthermore, the yellow tint indicates coldness in your chest. According to the Treatise on Cold Damage, coldness equates to phlegm. I will write you a prescription, and after taking it three times, your ailment will be cured."
With a flurry of brushstrokes, Chen Feiyu wrote down the prescription and handed it to the stunned chubby man.
Chapter 31