People make in very nervous in social situations. 
Really? That's too bad. Do you have anxiety or some other condition?
Social anxiety I think. It's common I think. Nearly 90% of people report having it. 
That much be hard to deal with. Do you take medication or exercise or meditation? 
I just deal with in my own and try not to freak out.  I was told it normal and necessary emotion for effective social functioning and developmental growth.
Yes I agree, some amount it definitely normal. It's when it gets too overwhelming that it becomes an issue. How long have you had it?
most common anxieties as focused on relationships with peers to whom they are attracted, peer rejection, public speaking, blushing, self-consciousness, panic, and past behavior. Most adolescents progress through their fears and meet the developmental demands placed on them. More and more children are being diagnosed with social anxiety, and this can lead to problems with education if not closely monitored. Part of social anxiety is fear of being criticized by others, and in children, social anxiety causes extreme distress over everyday activities such as playing with
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Byrnes says of his character, "Joe's been through the wringer. (…) It would be hard for people to be around him too much, I think. He's kind of a loner, because at some point he's got to have some serious demons. These people have witnessed this crazy stuff; how do you deal with it ? It's hard to be ordinary. Joe is extra ordinary [sic], he's really ordinary. I mean that in a good way."