Several isolated episodes of aggressiveness disproportionate to the intensity of the precipitating psychosocial stressors.
The person cannot control the impulse to steal unnecessary or worthless objects.
The person cannot stop the urge to pull out hair, experiencing increasing tension just before doing so or when trying to resist, and feeling comfortable after pulling out. This practice causes visible hairless spots.
The person cannot avoid biting their nails, recurrently, to the point that they can injure their fingers.
Luís Maestre i Funtané. Tots els Drets Reservats. Elaborat per Sytel Media