Dirty Diana : a novel

"Diana Wood has a job she likes and a husband, Oliver, she loves. Together, they have a daughter they adore. She and Oliver spend so much time together that they even carpool to work in the same office. They're in married love, which isn't exactly the same as love love, but it's fine. Or is it? Is fine good enough? Diana and Oliver haven't had sex in months, and their intimacy seems more like a memory than a reality. The cozy trappings of Diana's...