I never thought I would marry a patient, let alone a dying one. But there's something so intriguing about Matthew Grayken and his requests-especially his insistence that I'm here for companionship and care. Not love. He's very clear about his expectations, especially the most important: When it's time, I have to let him go. I planned on honoring that wish at first. I really did. But I also never planned on love, and I...