Song's mother hid something in her heart and started to ignore the curator's questions.

"This is an internal and external medicine for treating waist injuries. Remember to take it."

The curator noticed that she seemed to be in a bad mood, so he didn't ask any further questions. He handed her the medicine and left.

On the way back, Mother Song was thinking hard, her head hurt terribly, and her waist also ached.

What is going on?

Song's mother wanted to call Song ...