How does Lady Macbeth react when her husband sees Banquo's ghost? ... She makes excues to the court for her husband's behavior. She says that Macbeth has visions from time to time. However, as Macbeth continues to show an odd behavior, she takes him into his room, saying he needs more sleep.
Answer:
His justifications for killing the old man and his actions throughout the story suggest that the narrator has, in fact, descended into madness.