he doesn't
Slim compares himself to the old dog by saying that they both are no longer useful and that sometimes a mercy killing is the best option to avoid further suffering. Both are seen as outcasts who have outlived their usefulness in the harsh world of the ranch.
Slim say's that he would want someone to shoot him if he was old and cripple like Candy's dog.
Slim the jerk-line Skinner in of mice and men.
In "Of Mice and Men", Slim is described as the skinner. As the skinner, Slim is responsible for skinning the animals that are killed on the ranch. He is known for his skill and expertise in this task.
In Chapter 2 of "Of Mice and Men," the conflict between Slim and Candy arises when Slim suggests that Candy should let his old dog be put down because it is no longer useful. Candy is attached to the dog and doesn't want to let go, while Slim argues that it would be more humane to end its suffering. They ultimately agree to have Carlson shoot the dog.
he is ugly
The respectable man with the pups
One of the ranch hands
Curley's wife gave Slim "the eye" in the novel "Of Mice and Men." This gesture implies flirtation or seduction, suggesting that Curley's wife may have been seeking attention or validation from Slim.
Whit shows Slim the magazine with the letter that was published about Bill Tenner's dog in the novella "Of Mice and Men" by John Steinbeck. The magazine that Whit shows Slim serves as a commentary on the harsh realities faced by migrant workers and the bond between humans and their animals.
Slim
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Slim tells Carlson to take a shovel with him when he shoots Candy's dog in "Of Mice and Men" to bury the dog afterwards.