Final answer:
The point is made to emphasize the theme of friendship and companionship, highlighting the strong bond between Lennie and George.
Step-by-step explanation:
The point is made that on the ranch they will have each other to look after in order to emphasize the theme of friendship and companionship, which is central to the novel. This recurring point highlights the strong bond between Lennie and George and their reliance on each other in a world that is otherwise lonely and harsh. By constantly mentioning this, the author reminds the reader of the importance of their relationship and sets the stage for the challenges and dangers they will face on the ranch.