Hints and Foreshadowing

In the story "The Tell-Tale Heart", a man says that he is just dreadfully nervous, but not crazy. He gives a lot of clues that hints that he is a abnormal, unusual man. First, he wanted to kill the old man that had always treated him nice. Second, he said that he didn't move a muscle when the old man thought that someone was in his room. Third, he confessed his crime very soon after he killed the old man. The actions and speech that the narrator acted out makes people very sure that he is a crazy. At the beginning part of the story, the narrator says "True!-nervous-very,very dreadfully nervous I had been and am; but why will you say I am mad?....."This sentence makes people feel uncomfortable and creepy. Usually, people who are crazy won't say that they are crazy. From this sentence, we can know that this story will be very queer and strange. Over all, the writer has used a lot of foreshadowing and hints that help readers to anticipate what will happen later, the mood is scary and creepy that little kids may have nightmare after they read the story......