What are some surefire signs? Or ones that made you go fuck maybe I am mentally screwed? Been thinking about it for a while, researched it; every time I try to mention something to my parents, they deny it and say I have too much time to think about it etc. 

Then I deny to myself that I would ever have that and its literally just anxiety, I have been diagnosed with GAD and bulimia but honestly it wasn't much of an in depth diagnosis from my psychologist. I guess I'm looking for reassurance, or even an idea of this disorder? Or tell me about your experiences? ANYTHING.