Fear. Without it we wouldn’t be able to survive. Why? Because it’s the emotion that warns us about potential threats to our survival and urges us to protect ourselves from them. Let me give you an example to illustrate what I mean. Imagine that you’re walking outside in the dark and suddenly you see a snake jumping right in front of your feet. Immediately fear kicks in. You start sweating, your heart rate goes up, and your cortisol as well as adrenaline levels increase. The snake could be poisonous, so you immediately need to protect yourself from it. [Full article]