SIXTEEN As Caitlin and Caleb stood by the railing, looking out at the ocean, the ferry to Martha’s Vineyard blew its horn and began to depart. Caitlin looked down and saw the moving water, and was excited. She loved boats. She felt happy, and free. As she watched the waves rising beneath her, she realized that right now she’d probably be sitting in some stupid class, listening to a teacher drone on. She felt like an adult. Independent. The whole world was hers. She looked over at Caleb, expecting to see him also happy, and was surprised to see him looking so nervous. She had never seen him like this. He looked more pale than usual. She wondered if he didn’t like boats, or if maybe he didn’t know how to swim. She reached over and lay a reassuring hand on his. “You okay?” He nodded, and