Nick Saban once put together a highlight reel for his quarterback Mac Jones. Not of touchdowns. Of every time he kicked the turf, threw his hands up, or showed frustration after an incompletion. Spliced together, clip after clip after clip, until the pattern is impossible to miss. Then Saban tells him: “This is not an individual sport. You're the leader of the team, and you're kicking and fussing and everyone else sees that and that's not a good thing for your position. Do you understand how you're affecting everybody else?” Pete Carroll understood the same thing from the opposite direction. Seattle's practices weren't just drills. They were the culture on display every single day. Up-tempo, players running from station to station, energy pushed from the top down instead of demanded from the bottom up. Carroll didn't have to give a culture speech. His posture on a Tuesday practice field was the speech. Here's what the research backs up, and what every good coach already knows in his gut: athletes process a coach's body language up to four and a half times faster than they process his words. That's the difference between saying the right things and showing the right things. Your people don't do what you say. They do what you show them.