Semi-Unconscious Habit

My fingernails reveal my mental state; I bite them when stressed, bored, or nervous. Try as they might, my parents were unable to cure me of this habit. (That and my inclination to stay up late were the two areas in which their stringent discipline failed to "correct" the behavior.) It's interesting that my nails are a physical manifestation of mental troughs and peaks. They've long been nubs from the infernal boredom of my internship...