Answer:
The reality of the world
Step-by-step explanation:
George has a reoccurring problem with Lennie throughout the book. Although George cares for Lennie, he resents him for the problems he causes due to his disability. They've had to move multiple times due to Lennie's behavior. Lennie does not live in the real world. George does. At the end of the book, he knows what has to be done for the good of everyone in the situation.