Matt have you read what I wrote above.. No it does not stay. I feel for you dude I do having been there myself... And being caught in that visious cycle of fear. Since you don't have any faith being atheist you need to put some faith in yourself. Our bodies can not or were not designed to stay at the constant level of your worst panic it comes down. Might feel real off after awhile but it ends. Try to use some of the time you use to play video games on reading educating yourself on aniety disorders. Self help books on it.

F.E.A.R = False Evidence Apprearing Real