These people aren't talking but they're "saying" a lot if you know the "body language" they're using. Two of the most "telling" forms of behavior are driving a car and playing games. Notice a person's reaction to stress in these situations and to aggressive behavior in others. Those who easily become angry, excited, passive or resentful when driving or playing may be giving insights into the inside self. While clothing serves a purely practical function, how you dress also communicates many things about your social status, state of mind and even your aspirations and dreams. An 11-year-old girl who dresses like a college student and a 40-year-old woman who dresses like a teenager are saying something through what they wear.