They get excited and jump up and down. They scream. They all seem to adore each other. Their coach is a sourpuss who knows his stuff and they respect him a lot, but on the team bus they're probably singing up a storm while he scribbles x's and o's fiercely on his clipboard.
As for the Heat, Sunday night's game made it clear what we'd been watching in the Heat-Celtics series. The Heat weren't better than the Celtics. They actually weren't as good as the Celtics. But they were younger than the Celtics. They're not younger than the Bulls.