Why did Kemmerich begin to talk of his goals in life and tell the narrator to give miller his boots?

Kemmerich began to discuss his goals in life and asked the narrator to give Müller his boots to express his sense of impending death and the futility of his dreams. As he lay wounded, he realized that his aspirations had become meaningless in the face of his mortality. By passing on his boots, he symbolically acknowledges the harsh realities of war, where survival often trumps personal ambitions. This moment highlights the deep sense of loss and disillusionment experienced by soldiers.