The quote "A flock of butterflies riots in my stomach and steals my breath" from Stephenie Meyer's book "The Host" captures the intensity of emotions and the physical sensations that accompany attraction or anxiety. It illustrates the overwhelming feelings that can arise in a person, often related to love or deep emotional connections, where excitement and nervousness intertwine. The imagery of butterflies represents the fluttery feeling often associated with infatuation or significant moments in life.

This vivid metaphor emphasizes how emotions can manifest physically, affecting a person's ability to breathe or think clearly. It reflects the universal experience of feeling excited yet anxious, suggesting that such feelings are both beautiful and tumultuous. Meyer’s choice of words conveys the depth of these sensations and allows readers to relate to the complexity of human emotions in romantic situations.