Anxiety is a complex issue. It is dependant on environmental factors. If someone hurts you it may be that you are fearful of being hurt again. It is an emotional issue. Anxiety is dependant on how you behave towards other people. If you feel you have offended someone and haven’t been given a chance to put things right then you might feel anxious. It might be they are considering your friendship even with other people. The physical symptoms may be difficult to live with..