If they had rankings in baseball, maybe I would have been able to do the math and figure out my chances of being a professional baseball player versus a tennis player. But that was the decision-maker for me, I just thought I was better in tennis.

Trophies separate the winners from losers, and life is about winning and losing. Go into business and you see. You're competing every day.

The dumber you are on court, the better you're going to play.

The airplane has had a big impact on my life.

Many books have been written about what the X-factor is, what separates people who win big matches versus those who struggle. Some of it's innate, but there's a piece of it that's learned, embracing those moments.

I think all of us who kind of live within the sport recognize that Davis Cup certainly could be a little more visible if perhaps there were some adjustments made to it, and it was made a little bit more easy to understand for the fans, if there's a little bit more of a start and finish line.

It's hard for anyone in the 24-hour news cycles that we all live in now to follow something that the first round is played in March and the final finishes in December. I understand the challenges there.