Has no further need for her.
Realizes she doesn't care for him.
Realizes how much her mother will miss her.
Thinks she deserves a better life than he can provide.
Believes the man is mentally ill.
Thinks the man has problems far worse than his own.
Thinks the man is feeling the same things he is feeling.
Knows what the man experienced on the Madison Avenue bus.
Insanity in Miss Emily's family.
The china-painting lessons Miss Emily gives.
The mysterious smell that comes from the house.
Miss Emily's inability to believe her father is dead.