<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 speaker compares his heart to an empty nest in order to show readers that his wife left him making him be all alone. As he compares his heart to an empty nest it is a Metaphor for him being alone p
