The reason that he did not stop or dissuade his son from doing so might be due to him secretly hoping, too, for a miracle to happen.
Rationality, however, told him that he should not be so persistent with something already set in stone.
"It's been years since she passed away. It's about time you give up."
"What if she's still alive?" Gong Jie whispered this question with the intention to sound his father out.
"According to the hospital, your sister passed away in that car accident back then."
"But what if a miracle happened?" He kept his eyes trained on his father.