Shi Zhen is a very serious person, so no one can see his pain.
Hong Lingzhi, Shi Zhen knew that this person was his destiny! He wanted to escape but never could. Instead, he fell deeply into it. In the end, he found that he was just a passerby in this person's life.
When they separated, all Shi Zhen said to Hong Lingzhi was: "You are such a bad boy!" Then he turned around and left.