This is because it would give them a sense of hope.
Living things... Well, bacteria, Fungi, Animalia if you want me to continue or go into deeper detail I will :)
Hi, This is actually one of my favorite novels! I prefer to work through this question with you-- it'll build your comprehension of the novel and its themes. I want you to consider the arc of their friendship-- how did it start? What was their relationship at first? What initially tied them together? Once we get through that starting point, we can trace how their friendship affected them.
