AMBITIONS, instincts, and EMOTIONS. Such goal-directed and purposeful activities help us to achieve adjustment in the social environment.When the balance between self and social environment is disturbed, we BEGAN to suffer from social maladjustment. Then we confront the feelings of anxiety, insecurity, frustration, and other similar emotions. Anxiety:It refers to a chronic condition caused by the feeling of stress, worry, uneasiness, nervousness, etc.It includes some tensed and worried thoughts coming into a person's mind which is visible through his physical behavior.Nail biting, fearfulness, impatience, thumb SUCKING, restlessness are some common behavioral SYMPTOMS of anxiety.It can be caused due to the higher stress in a competition or in any other stressful life situations.It is completely normal to feel anxiety in some specific situation but it may become abnormal when a person starts feeling excessive anxiety.Hence, it could be concluded that 'Anxiety' is associated with nail-biting, thumb sucking, and restlessness type of physical behaviors. Showing these type of behaviors at some specific stressful situations is completely normal but when a child starts doing all these abnormal activities repeatedly and unconsciously then the teacher needs to notice this and tries to help the children in getting rid of these abnormal activities in a normal situation.