Kat and I had reached a dangerous turning point in our affair. Practical realities for both of us precluded debauched days like the one at the Marriott Marquis very often. Her work schedule was demanding, and she had a boyfriend to navigate. We started to broach the topic of how we could go places together without compromising her reputation. My work wouldn't tolerate slacking off, and the frequency of my 3 a.m. wake-up calls would take a toll. By nature, I was more of a night owl than a morning person. I'd rather stay out until 5 a.m., which I frequently did on my regular trips to Vegas, then wake...