Serena Williams wants people to stop being “afraid to fail”. The 40-year-old tennis star spoke with her sister Venus Williams and Olympic gymnast Simone Biles about their sporting careers, and said she wishes more people were willing to learn from their failures, as she believes the most valuable life lessons come from losing. Speaking during an appearance on ‘Red Table Talk’ after Simone asked for advice on coping with performance pressure, she said: “I’m my best player every time I lose. I think sometimes people are afraid to lose if they start winning, or they’re afraid to fail. But that do…