Candy doesn't really have a family, but he has a dog that he had his whole life. Carlson, a man on the ranch that didn't like it killed it. Candy gets depressed and out of loneliness, tries to join into George and Lennie's dream of having a place of their own: "'S'pose I went in with you guys'."
Old Candy who was afraid of being alone wanted to have some friends.
He offered to give up everything he had so that he wouldn't end up alone.
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