Why do people need friends in their lives? Friends help you through tough times and help you in your life, but even the strongest of friendship can be broken. SteinBeck purpose of the story is to tell that dreams cannot always come true and friendships can be broken even though those people are loyal to each other. Even though Lennie was loyal to George, and listened to him all the time, George shot Lennie in the head because to George, Lennie was holding him back from reaching his full potential