Three sentences summary: Gu Ninghua treated Gu Guangsheng kindly for a year, and Gu Guangsheng's reward was to torture him for the rest of his life.
Gu Ninghua: The thing more unlucky than death is that I have to continue to work hard and live with a smile.
For the rest of my life, Gu Guangsheng, please be kind to me.
Attached is an article "Bodhi Smile"