Concerning how the narrator's behavior changed over the course of the text and why the change occurred, we can write two paragraphs as follows (paragraphs are bulleted to improve readability):
Paragraph 1:
- At the beginning of the story, the narrator is calm, cold, calculated, and patient. He is clearly an insane man, but also one with little or no empathy.
- He does not feel bad for planning to kill the man or for actually carrying the plan out. He actually seems to enjoy watching the man every night. He does it in a meticulous, careful manner:
- ". . . I was more than usually cautious in opening the door. A watch's minute hand moves more quickly than mine did."
- "For a whole hour, I did not move a muscle. . ."
Paragraph 2:
- By the end of the story, the narrator is nervous, agitated, even hysterical. The reason for that is his own insanity.
- Even though he has indeed killed the old man, he believes he can still hear the man's heart beating louder and louder. While trying to fool the police - which he was successfully doing -, he ends up having a nervous breakdown and screaming, confessing his crime:
- "No doubt I now grew very pale; - but I talked more fluently, and with a heightened voice."
- "I felt that I must scream or die!"
- "The Tell-Tale Heart" is a short story by Edgar Allan Poe.
- The narrator is a crazy man who tries to convince the reader that he is sane.
- To do so, he brags about how calculated and cold he was when assassinating the old man whom he claims he loved.
- At the beginning of the story, the narrator is still quiet and calm.
- Toward the end, he grows more and more agitated. His wild imagination makes him believe the old man's heart is still beating, even after he died.
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