I've stayed calm when I'm winning and I've stayed calm when I've lost. Tennis is a sport where we have a lot of tournaments every week, so you can't celebrate a lot when you have big victories, and you cannot get too down when you're losing, as in a few days you'll be in the next tournament and you'll have to be ready with that.

It's more a tennis problem than a mental problem. The transition is difficult. It depends how much time you have. Playing on grass can sometimes be a bit of a lottery.

I am No. 8 in the world. I am not No. 100.

Tennis is a hard sport. There is a lot of competition all year and you play alone.

I'll never have a tattoo - I just don't like them, and when you're old they can look a disaster. As for piercings, I don't like them on men.

For me, it is important to win titles and for that I need to work hard, stay healthy and be able to compete. The rest, I always say, it comes.

When you get older, if you are healthy, is not a problem. If you don't have the health, then you go home.