They just need patience and acceptance to understand yang yang more because its not easy for them too to internalize that their son is not something they thought he was so we can't blame yang yang's father if he is so hard on yang yang maybe now he realized that no matter what yang yang is or what yang yang does he just have to accept it and understand because its his own son.
Its the " Forgive me father for I have sinned reading this" for me like geez they did the DEED in the CHURCH dang boi the audacity, the nerve, the goal HAHAHAHAHHAA and yes Im in the pits of hell now while reading this and this inner horny soul of mine is craving some more. (▰˘◡˘▰)