Grandfather couldn't stand up to his mother-in-law and finally agreed to the marriage. However, he was reluctant to give her away, so he asked Zhao Yun to come as a son-in-law, and changed his name to Gu.,More terrifying than seeking revenge is his belief that the entire world owes him a debt, and that no one has ever done him any favors.,So, how can one bear the burden for a seriously ill elderly person。