Just because fight-or-flight reactions won't help with your IRS audit doesn't mean you don't have a hormonal compulsion to escape. Hiding is an excellent self-calming strategy, one I use almost every day.
See, the divine plan of this universe has placed bathrooms all over the very same regions of the world where shrieking and clawing are frowned upon. In your next hyperstressed moment, stride briskly to the nearest bathroom stall, lock yourself in and give yourself five minutes to rock numbly. Then ask...