Su Lin didn't fully understand this issue before, but after learning about his parents' experiences in their youth, he understood it completely now.
Tian Fusheng didn't know the Sixth Senior Sister at all, yet he still risked his life to come to Putuo Mountain to propose marriage. The main reason he wanted to marry her was to establish a connection with the Sixth Master, Mei Jianshan!
The Sixth Master was one of the Ten Heroes of Juhe Villa back in the day, and he—along with Su Lin's other masters—were sworn brothers with Su Lin's father.
Chapter 422