“When Miley Cyrus told Matt Lauer on theToday show that people over age 40 don’t have sex, I couldn’t blame her. As an erotic romance novelist, I haven’t exactly done my part to advance the message that women can (and do) have great sex in their 40s. Until now, all of my romances featured the erotic adventures of women in their 20s. Sure, I’d considered writing a more mature heroine. But I kept putting it off to delve into the angst of our post-college lives. How could later adulthood compete with that drama?