Sam Allardyce spent much of this season chewing over Crystal Palace's problems in their relegation scrap.
But now the Palace boss has found his solution: telling his players to smile more — and it's even cutting down his chewing gum bill with a drop in his stress levels.
Palace scraped a 1-0 win here, a third consecutive victory without conceding for the first time since April 2014.
Quietly, Allardyce is hauling this long-struggling team away from the drop.