What she had mistakenly assumed was her personality — driven, cranky, anxious and sad — turned out to be a deformative effect of her environment.
This New York Times article reflects on those of us who are too busy and how we often used it as a "hedge against emptiness."
See also, Crazy Busy: Overstretched, Overbooked, and About to Snap! Strategies for Handling Your Fast-Paced Life by Edward M. Hallowell M.D. (available through Indie Bookstores) [affiliate link]