Yan Nuo is a mental patient, even if he thinks he is not.
Shi Chen is a psychiatrist, and he thinks he is suitable.
In Yan Nuo's life, Shi Chen was his first and only psychiatrist.
He doesn't want any more.
Shi Chen couldn't remember how many patients Yan Nuo was in his life, but it was the one he wanted to stay with.
Again, he couldn't take it anymore.
With Shi Chen, the calm Yan Nuo became sharp-tongued.
With Yan Nuo, the gentle Shi Chen became arrogant.
Half-grown Yan Nuo moved into Dr. Shi Chen's home and started a new life with him.
As Yan Nuo grew up, she still lived in Dr. Shi Chen's home and continued her sweet life.