Final answer:
Exhortation in paragraph 5 means a strong encouragement towards action or reconsideration of one's thoughts, as shown by the author urging readers to reflect and potentially change.
Step-by-step explanation:
The term exhortation as used in paragraph 5 refers to a strong urging or encouragement towards a course of action. In context, the author, Trumbore, is not just presenting information but is compelling the readers to take action or at least consider changing their way of thinking based on the points made in the book. This exhortation is aimed at inspiring readers to reflect on their personal feelings and experiences and to contemplate ways to see and potentially adapt or improve themselves or their actions in light of the book's messages.