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.
I don't think its necessary. do you?
I agree with Azharui. Although movie ratings do work as a general advisory and disclaimer, there may still be content that each individual parent might disagree with. For this reason, adults should monitor all movies their child sees, and should have the right to forbid their child from watching certain programs.
Without a subject and a verb