"How long is forever."
"It may be eternity until death."
"You will be by my side until you die."
He lowered his head and said like coaxing a child: "It's too far away. I don't know how long I will be with Xiao Yi. You are still a child."
When she heard this, she replied to him seriously: "Xiao Yi is not a child, I will stay with my brother forever."
Concept: Love is not a necessity