If I had a choice, I'd rather not fight someone from Brazil, but as a professional, I couldn't say no.

My father is a master in karate. He always taught me the philosophy of Karate. When I'm talking about philosophy, I mean respect to willpower, self confidence. Those qualities, I think it's very important, not just for fighting, but for any person.

My father was a very tough guy with me and my brothers. He wanted to teach us a lot of discipline and life philosophy. As I became more interested in martial arts, he started teaching a lot of fighting philosophy and karate philosophy. While he was a tough father, he also knew when to be sweet and show a softer side.

Learning is constant. I learn something new every day.

I've always really just liked football, and I've always devoted a lot of time to it. When I was a kid, my friends would call me to go out with them, but I would stay home because I had practice the next day. I like going out, but you have to know when you can and when you can't.

It's important to understand that you have to dedicate time to your sponsors, to have relationships with the people and the media, but it is also hard when you are first coming up and your primary focus is on tennis.

In sport, and especially in this sport, the confidence you get from the results is a massive help.

My tennis is aggressive, though I wouldn't say that it's more physical than technical. I rely more on technique than physique, but being physical is always a help to me.