Because I tried to everything possible to become the best player in the world? Do I believe steroids and growth hormones helped me achieve that? Yes. Were there a lot of other players doing it that I had to compete against? Yes.
It was a great time here in the States this year, and definitely I feel like I'm playing well again. I gained a lot of confidence in the last couple of weeks, and I just have to, you know, keep going and keep the momentum now.

