In the book "Lola and the Boy Next Door" by Stephanie Perkins, a character expresses regret about causing pain to someone else, saying, "But I hurt you." His tone turns somber as he admits his feelings and wishes he hadn’t hurt the other person. This moment highlights the character's remorse and the emotional impact of their actions on both individuals involved.

The quote reveals the vulnerability of the character, emphasizing themes of regret, apology, and the desire for reconciliation. It underscores the importance of honesty and the human tendency to wish undoing painful moments, adding depth to the story’s exploration of relationships and emotional growth.