Don't panic. Don't panic. Don't panic.
Yeah - easier said than done, when it starts in the pit of your stomach and works its way up...
It's not mental, it's physiological. Adrenaline dump, fight or flight reaction. It takes on average 30 minutes to dissipate, which is why the advice is to sit down, have a snack, start a fire. After that you're thinking more clearly.
