"Don't go to the bathroom or go for a snack. It's only 10 minutes so the game is going to be over in 15, 20 minutes, real time."
That's Kara Lawson's advice to novice observers of 3x3 basketball.
Lawson knows what she's talking about. She's the head coach of the United States Olympic Women's 3x3 team.
And almost all of us are novice observers.
If you've played basketball, even at the recreational level, you've almost certainly played some sort of half-court basketball, maybe in a gym, maybe on a playground, maybe even in someone's back yard.