You may stop doing things that you normally would enjoy. Anxiety can also rob you of your confidence. Anxiety often interferes with close relationships. Family and friends don't experience the symptoms, so they may not understand why you experience the symptoms. They may not understand how difficult it is for you.
Anxiety is the result of some stressor.
Changes in the body, in thinking, in behavior, and in feelings occur. When a stressor occurs, chemicals in the brain are released in large amounts. These chemicals prepare the individual to manage the stressor. This is why a feeling of being tense occurs. This chemical release is a good thing.