Obviously you try to keep as much of your private life as private as you can.

Since there are a wide range of entrepreneurs fundraising at any given time, I looked at each opportunity as it has arisen and on its own merits. Then I've sat down with my financial advisers, we've looked at the numbers and gone for the businesses I believe have real potential.

Normally I sleep for 9, 10 hours a night.

I believe you should give 100% on the court, so I chase every ball.

Every week I'll be spending money on flights, accommodation, stringing and even things as simple as taxis, meals out and, of course, paying the other members of my team. I'm still very careful, though, with what I'm spending.

I proved that I can win the Grand Slams. I proved that I can last four and a half hours and come out on top against one of the strongest guys physically that tennis had probably seen especially on this surface. So they would probably be the things that I would say I have learned tonight: To not doubt myself physically and mentally from now on.

My fitness trainer's English, my physio's English, some of my friends are English. I don't have a problem with English people at all.