One of music artist John Mayer's signature songs is “Daughters,” a sweet and simple tribute to the importance of parents' influence on their little girls. Here's the refrain: “So fathers, be good to your daughters, Daughters will love like you do. Girls become lovers who turn into mothers, So mothers, be good to your daughters too.” But when John Mayer isn't crooning about your beautiful daughters, he's looking at naked pictures of them, sometimes hundreds at a time before he gets out of bed in the morning. In fact, he often prefers that to an actual human being, according to...