That's not heart. That's called playing with freedom because you think it's a lost cause.
Different things work for different people, what's the problem there?
“There’s so many athletes, tennis players around the world,” he continued, trying to put his life into some kind of perspective, “they want to be the best in what they do. They want to succeed. Many of them, they don’t succeed in the end. I’m fortunate to have this opportunity and succeed.”