This scene shows Carlson about to shoot Candy's dog after offering to shoot it, complaining many times of the smell. This shows the callousness of Carlson.
The theme that people need dreams to have hope for their futures, even if they might fail in attaining their dreams can be connected to Lennie and George. They both share the same dream and it is very important because of the amount of times it is brought up by them.
SIMILE: "The next minute, Curley was flopping like a fish on a line..."(63)