There are three episodes in Qiu Si. Please find out and talk about their respective roles in the text.

First place: "Mom likes flowers ...". Mother is a person who loves life deeply. The mother gave up the enjoyment of life for her son.

Second place: "Later, my sister told me that my mother often had liver pain ..." (1) explained the specific stage of her illness. (2) The extraordinary efforts made by my mother.

Third place: "I was told ...". This shows that the mother only considers the happiness of her children and never takes herself to heart.