Usher's madness begins to increase because he can hear the sound of Madeline below.
Even though his sister is buried in the basement, he can constantly hear her scratching her coffin. He was tortured by these sounds until the protagonist came to visit him so he could share his troubles with him. Usher is afraid of his 'undead' sister and of dying himself, which is why he grows crazier and crazier by the day, until he is finally killed by his own sister in the end.
Answer: This is all a matter of habit. A habit is something you have created that needs to be stopped. Sometimes you have to know what caused the habit. If you do not know what caused the habit, then that could be the reason why it is still happening.
Explanation:
Roac son of Carc.
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