In "Perfect Chemistry" by Simone Elkeles, the narrator expresses anxiety about a girl who is emotionally distressed. He feels overwhelmed at the possibility of her crying, revealing his discomfort with emotional situations. His past relationship with Carmen, who never showed vulnerability, contributes to his uncertainty. The narrator's confusion highlights a stark contrast between his experience with Carmen and the current situation. His observation about Carmen's lack of tears suggests he associates strength with withholding emotions, demonstrating his struggle to navigate vulnerability in others. This indicates a deeper theme of emotional growth and understanding.