Answer:
<em>The speaker compares his heart to an empty nest in order to emphasize the fact that his love has left. The nest is a metaphor for his heart. When he is in love, he is so happy, that he can't contain his joy. ... The speaker is also feeling empty and sad because his love is gone.</em>
The significance of the conversation between Sierra and her friends about how their neighborhood is changing is the foreshadowing of the shapeshifters.
<h3>What is Foreshadowing?</h3>
This refers to the literary technique that is used to show the prediction or hint about future events in a story.
Hence, we can see that although your question is incomplete, I can infer that you refer to the book <em>Shapeshifter</em> and the foreshadowing used shows the mayhem that is about to befall the neighborhood when dark shapes begin to move as they are possessed by spirits.
Read more about foreshadowing here:
brainly.com/question/96170
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