It sucks; anxiety. It really does. If you haven't experienced it, then it is difficult to give you a guide to what does, because, yes, you can interpret it how you do, but it's not first hand experience. You know that feeling, when you're walking down a set of stairs, and you trip. The mere seconds you spend falling; the fear. That, is anxiety. Now imagine that, on a bigger scale. Imagine having that feeling, for a long period. Imagine it. Do you think you'd cope?