Plz help How do Miss Kinnian’s feelings toward Charlie change as the plot moves along in part 2 of "Flowers for Algernon"?

At first, she is worried about Charlie, and then she is annoyed by him
At first, she is intimidated by Charlie, and then she feels sorry for him.
At first, she sympathizes with Charlie, and then she is intimidated by him.
At first, she is in awe of Charlie, and then she feels like she understands him.

If music be the food of love, play on; give me excess of it, that, surfeiting, the appetite may sicken, and so die. that strain again! it had a dying fall: o, it came o'er my ear like the sweet sound, that breathes upon a bank of violets, stealing and giving odour! now read the excerpt from "the love song of j. alfred prufrock." for i have known them all already, known them all: have known the evenings, mornings, afternoons, i have measured out my life with coffee spoons; i know the voices dying with a dying fall beneath the music from a farther room. what does the phrase "dying fall" most likely mean in both excerpts