Ever had a conversation like that with a friend when you’ve been out socializing for the night? Chances are that you’ll yield to your friend’s persuasions and get behind the wheel, ignoring the small voice of reason inside your head that’s warning you’re about to do something stupid.
So if we know something is a bad idea, why do we do it anyway? Why don’t we choose to hang out with somebody who would give us better advice and encourage us to engage in less risky behavior? It’s a complicated answer that relates to the way our brain works and how we interact with those around us.