Soccer players often display aggressive behavior when they are frustrated during matches. This aggressive behavior could possibly be explained by a loss of competency that goes along with goal-related frustration. However, pro-social behavior could also possibly be a way to restore that competence.
People with eating problems seem to perceive their environment and themselves differently from people without eating problems. Their thoughts are constantly occupied with eating, body-shape and weight-related themes. Thus, getting through to them to treat their condition can be difficult.