But even some of Spoelstra’s closest friends had never seen him like that, not just the emotional outburst in the huddle but the dark brooding he did for the rest of that quarter, almost stopping coaching as he managed the fury. For Butler, three seasons’ worth of give-and-take with Spoelstra finally led to finding the line. It wasn’t just that moment with Butler verbally shoving back at his coach; it was a long buildup. “Spo was exasperated,” one team source said.