She wrote a bestseller on women's sex lives. Then her own fell apart.

"Stressed. Depressed. Anxious. Lonely. Self-critical," Nagoski, 46, said. "Like, how can I be an 'expert' - and I say that with heavy, heavy air quotes - and still be struggling in this way?"

After all, Nagoski had written the book on women and desire. She popularized the metaphor of the sexual response system as a car with an accelerator and brakes.

Read at Boston.com