When they met for the first time, Li Sicheng, who was used to being romantic, wondered how any boy could be so shy.
Later, they became tablemates.
He: "The teacher is here and calls me. I'll take a nap."
Three minutes later, she said: "The teacher is here, back door."
But someone didn't respond at all, and she was unwilling to do so.
Later, when she was about to graduate, she asked him.
"Why didn't you make any move when I told you that the teacher was here?"
"Silly, usually when the teacher doesn't come, you will call me. When the real teacher comes, you just yank my sleeves."