He wants to pet it with his thumb
Lennie kept a dead mouse in his pocket because he enjoyed petting soft things and found comfort in touching the mouse's fur.
Lennie keeps a dead mouse in his pocket, which he likes to pet and take care of. Later, he goes searching for the dead mouse after realizing he has lost it.
that he likes soft things.
Lennie's Sneaky ThingsIn Steinbeck's novel 'Of Mice and Men' Lennie tries to do many sneaky things. For example, in Chapter 5 we read about the puppy he was given by Slim. While playing with the puppy in the barn Lennie accidentally kills it, and then tries to conceal this fact by hiding the body under some hay.
George gets angry with Lennie in the clearing because Lennie, despite being repeatedly told, insists on bringing a dead mouse with him - which goes against their plan to keep a low profile at their new job. George becomes frustrated with Lennie's inability to understand the consequences of his actions.
He likes to stroke things because it calms him, but he ends up killing them because of his strength. He keeps it in his pocket so he doesn't have to tell George. He knows George will get angry.
In "Of Mice and Men," Lennie tries to keep a puppy hidden from George so he won't be mad at him for accidentally killing it. Lennie's actions reveal his fear of disappointing George and his struggle to understand the consequences of his actions.
Because he kept killing them all.
George wants to give Lennie a pup so it attracts his attenion to something else, George thinks by doing this it will keep Lennie out of trouble. Also because George thinks a pup is bigger than a mouse so Lennie couldnt kill it easily.
George said this to Lennie in John Steinbeck's novel "Of Mice and Men." George is reassuring Lennie that he can trust him to keep their conversations private and not share their plans with others.
by a SECRET
Lennie kills his puppy by accident and then kills curley's wife by accident trying to keep her quiet. George then tells Lennie to meet him at the lake (from the beginning) but when the other ranch hands find her dead they go on a man hunt to hurt Lennie. So George finds him first and shoots him to protect him