Feeling anxious or sad is normal. Every human being experiences these emotions several times in a lifetime.Constant worrying causes apprehension.  Scared  of the unknown can overwhelm us to the point on panic. These are signs of anxiety depression. It affects a person’s behavior and emotions. In some cases, it can also manifest physically in the teen. Nervousness can be mild or severe. It can be debilitating and disrupting. We become extremely agitated.  We become so anxious it is difficult for them to function in school. But even so, don't give up. Anxiety is not dangerous, it's only an uncomfortable feeling. Though it might not be as easy as it sounds but someday everything will make perfect sense, so now laugh at the confusion, smile through the tears and keep reminding yourself that everything happens for a reason.Remember that the darkest night will end and the sun will rise.