Chris Evert, then 16, at the 1971 U.S. Open, before all the heartbreak. (Marty Lederhandler/AP)

“Relationships are give-and-take, and when you’re a tennis player, you’re certainly not giving,” Evert told Clarke. “You have to be self-absorbed. It has to be about you.”

Sure — but is this really just a tennis thing? Sounds like an explanation for the high disposable-marriage rate among all the rich and famous: Politicians, actors, rock stars, etc.

Evert, who seems to be in a happier place now, explains that it was the toxic sense of entitlement forged by her success that caused her to leave second husband Andy Mill and run off with golf superstar Greg Norman (“a dashing man who swept me off my feet”) for a third marriage that lasted only 15 months — whose demise she addresses further in the story. . .

Read this: Tennis great Chris Evert finds new life on the court, 1/19/11