She would never forget what Luca said—that after the transplant, he felt like his marrow donor was living inside him, that all his blood donors were living inside him, that she was living inside him. The truth was Nina felt the same way about Luca, that he was now part of her. “For so long,” she said, “I’ve been wrapped up in my own little world, thinking only of myself and my silly concerns. There are so many other things to consider, so many more important things.