In "Sweet Tooth," Ian McEwan reflects on the challenges of navigating literary conventions and themes. He emphasizes a desire for authenticity in character development, striving to create figures that resonate with readers. McEwan expresses a preference for compelling narratives that spark curiosity, showcasing the tension between sensation and high literature.

Through this exploration, he critiques traditional literary distinctions, suggesting that all forms of writing face scrutiny. His approach blurs the lines between genres, creating a rich tapestry of storytelling that captivates readers while questioning the very nature of literature.