In 1997, a college golfer stood over four short putts at a U.S. Open qualifier — and missed every one, losing a playoff spot by exactly one shot. Most people would've spent the rest of their life trying to forget that afternoon.

This guy went the other way. He turned it into a twenty-year career studying exactly why golfers fall apart under pressure — and today I get into what he actually did with that failure, and why your worst round might be more useful than you think.