When he was eighteen years old, he said to Kuang Dong, "Do you eat candy?" Kuang Dong looked stunned at that time.
Many years later.
Kuang Dong said to He Xu: "I want to eat sweets"
He Xu said: "The man who is eating my candy now is called Gu Changming."
Some things can't go back to the past, just like why you can't go shopping alone in a big way now.