There he must, despite the anguish devouring his brain, present a face approximating the one that is associated with ordinary events and companionship. He must try to utter small talk, and be responsive to questions, and knowingly nod and frown and, God help him, even smile. But it is a fierce trial attempting to speak a few simple words.
William Styron, Darkness Visible: A Memoir of Madness
depression, desperation