As for George, it has been shown that Lennie can't survive without George, and also shown how much George loves him. In the end, George puts Lennie out of his misery; he can't help him anymore so he decides that he'll take care of what needs to be done out of love. He won't allow the lynch mob to kill the man out of hate for something they'll never understand. He takes Lennie's life for the same reason Candy's dog is killed; they're both essentially saves from any further misery. He does it as an ultimate act of compassion, which was also the death of their American Dream. He’s haunted by the death of his only companion and becomes another victim of loneliness in this book.
