Edgar Allen Poe uses the fact that his characters are insane to add to his plot. In The Tell-Tale Heart the narrator is obsessed over a mans eye, so much so that in the middle of the night he goes to watch him. The narrator also admits in the text that he actually likes the man its just his eye that makes him want to kill the man. Only a truly insane person would watch them in their sleep and then kill them because of an eye. Furthermore, in The Black Cat the narrator has an obsession with his cat. The man becomes tormented by the sight of his cat saying that it is suffocating him by laying on his chest while he is sleeping and that it is constantly following him. Most people know that a cat cant plot against you and that the narrator in
