I've heard of pretty much every disorder there is. I don't think it can be tested, since I'm pretty sure it's more of a psychological disorder than a physiological one. But, here is an article on it, if you want: http://psychcentral.com/disorders/sx24.htm
I hope you get this settled soon and don't let the thought of talking to a professional scare you. God bless you!
Just because everything's changing
Doesn't mean it's never been this way before
All you can do is try to know who your friends are...