Goodbye, Vitamin is written as a series of journal entries. How does this format help the reader understand Ruth and how she changes as the story unfolds?

How does the author employ humor as a tool in a text with otherwise heavy themes, and how does the humor affect the reader’s experience?

Howard’s journal and letters to Ruth are important symbols in the text. How does the author use these letters to add dimension to Howard’s character, and how do these letters help the reader better understand Ruth and Howard’s relationship?