The quote "Yes, you are exactly my brand of heroin" from Stephenie Meyer's "Twilight" reveals the intense and addictive nature of love and attraction between the characters. This line suggests a powerful, almost obsessive connection, where the speaker likens their feelings to a substance that is both desired and dangerous. It captures the theme of passion that permeates the novel, illustrating how deeply intertwined desire and vulnerability can be.

This metaphor highlights not only the allure of the romantic relationship but also the potential consequences that come with such intensity. By comparing love to a narcotic, the author effectively conveys the compelling and sometimes overwhelming nature of the characters' bond, emphasizing that love can be both exhilarating and perilous. This sentiment resonates throughout "Twilight," making it a pivotal moment in the narrative.