I think that women's beach volleyball is a dumb game, but for reasons unknown, when I happen upon a game on TV, I can't stop watching until it ends. Go figure.

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Actually I have spent hours researching this and have become somewhat of an expert.

It is closely related to the "Bouncing ball" syndrome. Remember when those sing-along songs came on the movie screen? Once you started watching the bouncing ball on the screen, you could not stop until the ball's last bounce.

With beach volleyball it is known as the "Bouncing boob" syndrome. Once you star watching you can't stop until the boob's last bounce.