Is it that hard to just read it
Lennie is not actually angry at the dead; rather, he is frustrated and confused by the death of the mouse he accidentally killed. Lennie struggled to understand the concept of death and the consequences of his actions due to his mental disability.
Lennie brings back a dead mouse that George takes away from him. Lennie's fascination with petting soft things causes George to remove the dead mouse as it is not suitable for petting.
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.
When George gets angry with Lennie for causing trouble, he threatens to go to a place where Lennie won't be able to find him and live an easier life without the burden of taking care of him.
A dead mouse
Lennie says he will go live in a cave if George gets fed up with him and does not want him around anymore.
Lennie is afraid for George to find out about the dead puppy because he thinks George will be angry and won't let him tend the rabbits on the farm as a punishment. Lennie's primary concern is losing out on the chance to fulfill his dream of caring for the rabbits.
Lennie wants ketchup with his beans, to which George replies that they don't have any and gets angry with him for being so dumb.
It is likely that he is angry about the situation that led to the puppy's death, rather than being angry at the puppy itself. He may be upset because he feels responsible, sad for the loss, or frustrated that he couldn't prevent it.
You can say that George will no Longer feel the burden of having to worry about Lennie and the responsibilities that came along with Lennie.
George gets angry at Lennie mainly out of frustration and a sense of responsibility for having to constantly watch over him. Lennie's actions often unintentionally cause problems or put them in difficult situations, leading George to feel overwhelmed and upset. However, George's anger is also motivated by his love for Lennie and a desire to protect him from harm.
Curly does not want to bring Lennie unharmed because he is angry and seeking revenge for Lennie's actions, which resulted in Curly's wife's death. He sees Lennie as a threat and wants to make him pay for what he did.
Lennie kept a dead mouse in his pocket because he enjoyed petting soft things and found comfort in touching the mouse's fur.