WTA: Serena Williams gives Twitter tips: “Stay away from negative people!”

Serena Williams is busy promoting her new documentary Being Serena, which flickered across the screens for the first time on the American channel HBO on May 2.

Under #BeingSerena there was now also a fan question/answer round this week. And what have we learned? For example, this groundbreaking information:

More answers? You can find it on Twitter at @serenawilliams