Know about yellow hair, know about tied hair, understand about weak crown, love about eternity.
You must know what bamboo horse and bamboo horse are, and what eternal life is.
Gu Yihe: "Shen Qi, Shen Ruoyun, he has never been my sword. He is my medicine, which treats heart diseases."
Shen Qi: "Gu Yihe, Gu Chongyi, if he doesn't regard me as his shadow, I will swear allegiance to him."