In fact, when Mrs. Xu had her incident, the young Doudou was right beside Xu Fangfang, witnessing his mother asking Mrs. Xu for money, and even when Mrs. Xu refused, Xu Fangfang said some harsh words that angered Mrs. Xu into fainting. Though he was young at the time, he also knew—if it weren't for his mother—his grandmother might not have left this world in that way.
It was only later on that he gradually became aware that once a person is gone, they truly leave nothing behind. The kind-hearted elderly who used to be so affectionate towards him disappeared from this world because of his mother, and that's when he began to understand the differences between good and bad, right and wrong.
