1: August 8, 2008.  Beijing, China.  Summer Olympics.  Men’s final for the 200-meter butterfly.  

Michael Phelps knew something was wrong as soon as he hit the water.  

“There was moisture inside his goggles.  He couldn’t tell if they were leaking from the top or bottom, but as he broke the water’s surface and began swimming, he hoped the leak wouldn’t become too bad,” Charles Duhigg writes in The Power of Habit: Why We Do What … continue reading