This is false, and the opposite is true!
A want, used as a noun, refers to something that is not necessary, but something that is wanted, desired only.
A need, in contrast, refers to something that is necessary, so it is not merely something that is wanted, but something that is very essential.
Answer:
Work hard so you pass your exams
Explanation:
As with any author's decision to use 1st person, her intention most likely -- in this story -- was to get her readers to go along for the ride into madness and cultivate a certain amount of sympathy for the narrator and her plight. The constant use of "I" puts readers in the narrator’s head and allows them to empathize with her.