" This idea – that belonging needs to be continually refreshed and reinforced – is worth dwelling on for a moment. If your brains processed safety logically, we would not need this steady reminding. But our brains did not emerge from millions of years of natural selection because they process logically. They emerged because they are obsessively on the lookout for danger. "

― Daniel Coyle , The Culture Code: The Secrets of Highly Successful Groups