Loyalty
It is shown by Lennie and Candy's old dog. What is the line between being loyal and being merciful
Male COMPANIONSHIP
George and Lennie have a very tight bond, ever since childhood. Also discussed is how men cope with being lonely in different ways
The Challenge of ACHIEVING the American Dream
The ranch that George Lennie speak about often in the book represents the American Dream and what happened to that vision is symbolic for the many people who were disappointed by not achieving their goals.