This disease has sharpened my senses-- not destroyed -- not dulled them.
In this scene the narrator explains that hes not insane but that the disease makes him more intelligent. He then explains how he was haunted by the old mans eye, so he decided he wanted to kill him
On the eight night of stocking the old man he was very careful opening the bedroom door, but the lantern wakes the old man. The old man sits up very scared because he can feel the narrators presence.
After waiting a long time the narrator cracks open his lantern just enough to see the old mans eye. The narrator could hear the old mans heart beat get louder and louder so he git scared that the neighbors would hear so he attacked the old man.
The narrator assures us that he is not mad. And he reminds us that he hid the old mans body. Police then come to the house because a neighbor heard someone scream. The narrator confidently takes them through the house then feels so comfortable that he invite them to sit.
As the officers are talking about other things, a lod sound grows in the narators ear which forces him to confess.