Gu Zuo: Are you sick? Gongyi Tianheng: You have medicine? Gu Zuo: You’re sick! Gongyi Tianheng: If I say I’m sick, can you cure me? Gu Zuo: If I say I have medicine, would you want it? Gongyi Tianheng: However much you have is how much I want. Gu Zuo: However much you want is how much I have....