One, how out of whack our view of human nature often is. Two, how deftly journalists push those buttons to sell sensational stories. And, last but not least, how it’s precisely in emergencies that we can count on one another. As we look out across the water in Amsterdam, I ask Ruben Abrahams if he feels like a hero after his dip in the canal. ‘Nah,’ he shrugs, ‘you’ve got to look out for each other in life.’