In the book Isla and the Happily Ever After by Stephanie Perkins, St Clair humorously reacts to Josh's romantic gesture, expressing playful regret about Josh being unavailable. He affectionately comments, "I'm sorry you're off the market," highlighting the camaraderie and teasing between the characters.
St Clair then adds a joking secret, saying, "Don't tell Anna, but I bought one for you, too, St Clair says," indicating a light-hearted moment of mischief and friendship among the characters, emphasizing the warm, humorous tone of the story.