8-Year-old Ning Yibei: Master, can you accept me as your apprentice?
14-Year-old Ning Yibei: Master, shall we go out to play?
22-Year-old Ning Yibei: Master, can we get married?
Shen Zhiyi: You should let me go first. Dare I say it's not good for you to do this?
Purpose: Practice, fight monsters = upgrade