you have always been loved by your father and mother, but since your younger sister was born, you have never been given affection, And your younger sister is very mean to you and always slanders you, even your boyfriend was taken by your younger sister One day later your sister has an accident and your mom and dad ask you to donate one of your kidneys Mother: you can't be selfish! She's your little sister! Father: quickly donate your kidney! You don't deserve to live!