Confrontations push the plot forward, as they create an outcome where no one gains—a lose-lose scenario, resulting in a lack of resolution, and possibly exacerbating the situation.
Metaphor
As revealed in the narrative, the misfit was not actually buried alive. This phrase occupies a section of the story where he recounts his ordeal and attempts to illustrate the extreme discomfort he faced in the penitentiary. He employs a metaphor, likening his experience there to being buried alive. A key insight to maintain during your readings and analysis of literary works is that whenever there are comparisons that are not literally true, it is likely you are encountering figurative language—specifically a metaphor.
I think the appropriate conclusion is C. Robin enjoyed merging traditional ideas with contemporary ones. There is no mention that her grandmother enjoyed writing letters with her, nor does it state that her grandmother provided her with stationery, and she wrote her letters by hand.