Impulse control isorder is a set of psychiatric disorders including intermittent explosive disorder (hot-headedness), kleptomania (stealing), pathological gambling, pyromania (fire-starting), trichotillomania (pulling one's hair out) and dermatillomania (skin picking). The onset of these disorders usually occurs between the ages of 7 and 15. Impulsivity, the key feature of these disorders, can be thought of as seeking a small, short term gain at the expense of a large, long term loss.