When Nina Collins entered her forties she found herself awash in a sea of hormones. As symptoms of perimenopause set in, she began to fear losing her health, looks, sexuality, sense of humor-perhaps all at once. Craving a place to discuss her questions and concerns, and finding none, Nina started a Facebook group with the ironic name, "What Would Virginia Woolf Do?," which has grown exponentially into a place where women-most with strong opinions...