What does the tone of this statement from the passage imply?

Le of stalingrad.spanish classuniverse project-19read the excerpt from "the love song of j. alfred prufrock."and indeed there will be timeto wonder, "do i dare? " and, "do i dare? time to turn back and descend the stair,with a bald spot in the middle of my hair -(they will say: "how his hair is growing thin! ")my morning coat, my collar mounting firmly to the chin,my necktie rich and modest, but asserted by a simple pin(they will say: "but how his arms and legs are thin! ")do i daredisturb the universe? in a minute there is timefor decisions and revisions which a minute will reverse,which words best indicate that prufrock feels uncertain? disturb, universe, minuteturn back, revisions, reverse

What are the benefits of secondary source

Understand that amassed in paragraph 3 means