Holden goes to Central Park in New York City, and sits by the frozen pond where, in the Spring, the ducks would be swimming. He is despondent, having left the hotel because of his confrontation with Maurice. He sits there thinking that he could get pneumonia and die.
He starts to think about his death and his funeral, who would attend, then he remembers that his mother is still mourning the loss of her son, Allie. The thought of his sister Phoebe being sad at his death is what stops Holden from staying in the park and freezing to death.
It is his love for his sister that keeps Holden from committing suicide
 
        
             
        
        
        
THe man believes an angel is in the room and sprays perfume throughout the room
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Allusion
An allusion is a reference to another published work. In this excerpt from "Cinderella" the poet uses allusion with the reference to the "Bobbsey Twins". The purpose of this reference would be to show that the two people get along together all the time. They are inseparable and of the same mind. 
Plot is the sequence of events in a story. Character is a person or animal in the story. Metaphor is a comparison between two different things without using like or as.
 
        
             
        
        
        
Irony? because the narrator already feels destroyed. just my thought though....