God a'mighty, if I was alone I could live so easy!
In Chapter One, George and Lennie have just escaped from Weed and are camping out for the night before heading to their next job. George explodes at Lennie telling him how easy his life could be without Lennie to take care of.
In Chapter Three, Lennie and George have arrived at the ranch. Here they meet Candy, an older man who has a dog. This dog is very significant to the story because it symbolizes Lennie and George's relationship in the book. The dog follows Candy wherever he goes and Candy takes care of it. In Chapter Three another character, Slim shoots the old dog to put it down, this is foreshadowing the end of the book when Lennie is killed by George.
In Chapter 5, after Lennie accidentally kills the puppy gifted to him by Slim. After this happens, he confides in Curley's wife who tells him to touch her hair, as Lennie likes to pet soft things. However Lennie's strength is so great that he usually kills the animals that he pets, which is what happened with the puppy. Curley's wife starts screaming because Lennie wont let go of her hair, and Lennie tries to keep her from yelling. In the process, Lennie kills Curley's wife accidentally.
After Lennie and George escape the pursuing Curley, who seeks to avenge the death of his wife, George and Lennie have returned to Square One, and George is forced to choose between a life of running and living a normal life. He chooses to end his life of running, and in doing so, he ends the life of his friend.