父: Son, you are a big boy now.
儿: Ya!
父: Tonight you are going home to Tokyo, yes?
儿: Ya!
父: You will be a good boy?
儿: Ya!
父: You will take care of Mummy on the plane, yes?
儿: Ya!
父: Papa will come and see you in May on your birthday, ok?
儿: Ya! I will take care of Mummy until you come.
虽轻描淡写,父子之情已满溢!