Some people want fame popularity and huge sales. I've always hoped to have a really long career. So I've tried to make each of my creative decisions and business decisions to allow for longevity. As a side effect I got really famous and really big. I didn't realize the two could go together.

The career stuff is for business people.

I got to work with one of my heroes Johnny Depp and to see how he goes about business which was really inspiring for me at this stage in my career.

I've got a wife four kids a business and a baseball career.

Everything is tennis for me it's my career and it's entertainment but it's also a business.

I am just at that stage of wondering where I go from here. I came into this business almost by accident but now it has become serious. What started as a bit of fun something to do other than be a model has taken on a different career curve. I have been forced to ask where that curve is going to end up.

You have a career and you start as a business person. And you work your way you reach this peak and you know the time's going to come when you go back down.

The word career is a divisive word. It's a word that divides the normal life from business or professional life.

I want to go out at the top but the secret is knowing when you're at the top it's so difficult in this business your career fluctuates all the time up and down like a pair of trousers.

Had anyone told me that I was going to have a career in business I would have said 'No way.'