This would definitely be FALSE. Being able to distinguish the subjects and objects will help you to avoid confusion on which verb or pronoun to use. We always follow the rules in subject-verb agreement as well as the pronoun-antecedent rules. Knowing either the subject is plural or singular will give you an idea on what verb to use. Same goes with the antecedents and pronouns to use.
Based on this passage, the tone of the poem might best be described as reflective because the character is illustrating his innermost thoughts and emotions.