I, a tutor, was noticed by the student's mother, and saw a loophole and called Ji-Po to check on her. The widowed and frustrated mother's sexual desire exploded, and every time she returned home, she would have sex without the student. Before I knew it, the once-a-week classes were called three times a week, and the students' grades improved rapidly. One student happily said, "Since the teacher came, my mother's complexion has improved significantly.