What is the significance of this sentence in debs’s speech

Read the excerpt below and answer the question. for a long time she held her neck erect; then her head sank, slowly. her ribs swelled with a mighty heave and she went over. as it is used in this excerpt from “the man who was almost a man,” the phrase “went over” most likely means died escaped jumped vomited

There is nothing miniscule about our --let alone our universe.

What is the author purpose for including this portion of how to eat an live cream cone