Even if Fan Zheng understood what his grandfather really wanted, he already had Zhao Ai.
So did he protest and try to appeal to the old guy that there should be other ways to save their livelihood and home?
A stupid question. Of course, he did!
As he was a young man drunk in his first experience with love, he was even quite stubborn and resolute. His vision of the reality was limited, like the many youngsters who had yet to experience the hardship of surviving as a real, working adult. He thought there would surely be a way. But he had no idea that thinking of a solution was not the end of it, one would have to plan how, where, why, and when it would be implemented, and most importantly, if the solution was even plausible, to begin with.