Certainly social anxiety & phobia is indeed a complex isssue. People with social anxiety disorders have the following features: -
Fear that everyones attention is on them and everybody is watching them; Fear that they will make a blunder and everybody will be aware of it.
They are underestimated by thinking that everybody in this world is more capable than they are.
People with social anxiety disorder will feel anxiety and this same anxiety may lead to nausea, a sink...