The darkness of the chocolate melted in her mouth. “This really does boost one’s mood,” she thought to herself. Thoughts of progress and happiness filled her mind. She felt her lips curving into a smile. Three squares later, her teeth needed toothpaste and a rinse. “Just one more,” she decided. As she seemed to float on impossibly cheerful bursts of emotion, she noticed that the chocolate bar was gone. Misery returned in the form of too many unwanted calories. “I hate myself,” she concluded.