The Question and Answer section for Of Mice and Men is a great resource to ask questions, find answers, and discuss the novel.
What chapter are you referring to?
Slim is the jerkline skinner at the ranch, Slim is a seemingly ageless man who carries himself with great gravity. He gives Lennie one of his new litter of puppies to care for.
Slim thinks it is strange but a good idea. He wonders why more men don't do this.