Ryle Kincaid is a fictional character from the novel "It Ends with Us" by Colleen Hoover. He is portrayed as a successful neurosurgeon with a complex personality, balancing ambition and vulnerability. Ryle's character explores themes of love, trauma, and the impact of past experiences on relationships. In the story, Ryle develops a romantic relationship with the protagonist, Lily Bloom. Their relationship is marked by passion and challenges, as Ryle's struggles with his emotions and behavior come to the forefront. The narrative delves into the complexities of love and the difficult choices that arise in difficult circumstances.