To reverse anxiety a person must learn that what they are experiencing (symptoms) are not harmful in anyway. And then they have to really understand this. A person's perception and reaction to anxiety determines whether or not they respond with concern or ignore their thoughts and dismiss them. It's this alteration in behavior that's very important in enabling a person to settle down and gradually cut back their Anxiety. The amount one reason for prolonged bouts of hysteria is the fact that the worry response of the symptoms experienced sets of a worry cycle.