However, Qing Zhui and Qing Zhui were very casual from the beginning, and they frequently came and went to each other so that everyone had to be more polite. Soon Yu Mengmeng, who was very attentive, noticed them.
One day, after dinner, Qinghua took a walk on campus, enjoying the sunset glow as he walked. Suddenly, he heard someone behind him say, "Teacher, we're taking a walk."
Qing Zhui looked back and saw Yu Jie in a light red jacket and a blue dress walking up to them. "Oh, it's you. Have you had dinner?" she asked.
Yumeng replied, "I don't really want to eat. I don't have an appetite."
"That's not good," stated Qinghua. "You have to pay attention to your diet. If you don't have a good appetite, you'd better eat as much as you like, or it will be too slim."
Yumeng smiled and said,
