Rather than saying that Qu Hong saved Niu Zhi, it is better to say that it was Niu Zhi who made Qu Hong such a good person. They accompanied each other's best youth, and he pulled her out of that shadow and protected her tightly. He seemed to know everything she was thinking.
"Qu Hong, you are so smart. You know everything I am thinking."
"Idiot, you talk in your sleep every time."
Purpose: Love is justice