Once upon a time, the world was a treacherous place for humans. We were wimpy creatures. Tigers had bigger, sharper teeth; insects had poisonous stings; gorillas had muscles bodybuilders only dream of; the sea was filled with seemingly alien creatures — even 99 percent of plants would’ve kill us if we consumed them.
In other words, before the invention of fundamental technology such as weapons and farming, humans were at the mercy of their environment.
This constant danger burned a crucial lesson into our DNA: stay safe. What is self-sabatoge, and what can we do to overcome it?