Final answer:
The bolded metaphor in the poem contributes to a tone of thoughtful contemplation about life.
Step-by-step explanation:
The bolded metaphor in the excerpt contributes to the tone of the poem by making the speaker appear thoughtful about life. The metaphor compares life to a dream of bliss, suggesting that the speaker sees life as a positive and idealistic experience. This contributes to the tone of the poem by conveying a sense of optimism and wonder.
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