It’s famous…the Fight or Flight reaction dichotomy that happens every time the adrenaline starts pumping through your system as you’re facing yet another new crisis or unfamiliar situation. It’s a human thing. I mean, look at us: Bad eyes, really limited smelling ability, can’t hear well, small teeth, no claws, weak muscles, can’t run, bad at climbing, and on and on. In a world of predators, we tend to be a lot wary. We’ve got good reasons.