So that Lennie wouldn't suffer as much at the hands of Curley and the other men, who swore revenge for the death of Curley's wife.
The boss suspects that George is trying to take advantage of Lennie by speaking for him and making decisions for him, rather than letting Lennie speak for himself. This leads the boss to question George's motives and the nature of their relationship.
The boss was suspicious because he thought George was trying to cover up for Lennie's lack of intelligence or understanding. He may have also questioned George's control over Lennie and their relationship dynamic.
George tells Lennie to fight back and defend himself if Curley hits him. George wants Lennie to stand up for himself and not allow others to take advantage of him.
When george asks slim about just trying to catch Lennie instead of killing him, what advice does slim give george
George doesn't help Lennie in the fight because he knows that Lennie is strong and can handle himself. George also wants Lennie to learn to stand up for himself and not rely on George for everything. Additionally, stepping in may escalate the situation and make things worse.
George feels that it is his responsibility to care for Lennie because he couldn't survive by himself, but he also feels like Lennie is holding him back.
The boss suspects that George is taking advantage of Lennie by making decisions for him and speaking on his behalf. He questions the nature of their relationship and whether George is exploiting Lennie in some way.
He remembers to wait for George
George knows that Lennie will get into trouble at the new ranch from past experiences, like what happened in Weed. He knows that he needs to plan ahead so that Lennie and himself can run away if he should get into trouble. This is exactly what happens, but instead of running away, he shoots him. Curley will not rest until Lennie dies.
GEORGE killed LENNIE because Curley was going to find him and shoot him anyway. George wanted Lennie's last few moments to be happy, so he decided to do it himself and tell him a story beforehand.
At first Lennie doesn't fight back, but then George says get Curley to Lennie so Lennie grabs Curley's fist and breaks his hand and doesn't let go until George starts slapping him.
Crooks tells Lennie that if George doesn't return, Lennie will be sent to an asylum or locked up because he is too "dumb" to take care of himself.