What I know about pronoun antecedent agreement is that when the pronoun agrees in number (referring to singular or plural) and person (referring to first, second, or third person) with its antecedent. Pronouns should agree in number, person, and gender with their antecedents. If the antecedent is singular, the pronoun should be singular. If the antecedent is plural, the pronoun should be plural.
I believe he means that in the Caribbean people died so young that he imagines it so often. He thinks he needs to make any happy/good moment last so he remembers that.
An analogy is a comparison between two things. The only answer comparing a thing to another is the first answer. The rest of the answers are stating facts/opinions.
