Yin Nanjiao: There is no way to repay the kindness of raising someone...
Liu Mian: If you have nothing to repay, there is no need to retaliate!
Yin Nanjiao: A man must repay his kindness!
Liu Mian:...
The hardest thing to bear is not only the kindness of the beauty, but also the filial piety (ambition) of the son!
Purpose: The existence of some people will tell you that the world is worth it.