" approaches every relationship. He fills their cups.” When Popovich wants to connect with a player, he moves in tight enough that their noses nearly touch; it’s almost like a challenge—an intimacy contest. As warm-ups continue, he keeps roving, connecting. A former player walks up, and Popovich beams, his face lighting up in a toothy grin. They talk for five minutes, catching up on life, kids, and teammates. “Love you, brother,” Popovich says as they part. "

― Daniel Coyle , The Culture Code: The Secrets of Highly Successful Groups