I first had money for investment just at the time of the 2008 crisis and shares have been highly volatile since then. So I do have shares in my pension but I have tended to invest in specific projects that include property and private companies that have been very well researched by my advisers.

We Scots have a fierce pride in the things we do that others can never appreciate. I am the British No. 1, but I would prefer to be the British No. 1 from Scotland every time.

Learn to worship God as the God who does wonders, who wishes to prove in you that He can do something supernatural and divine.

Everybody always talks about the pressure of playing at Wimbledon, how tough it is, but the people watching make it so much easier to play.

I am Scottish. I am also British.

When I'm training in December, I have to eat like 6,000 calories a day to maintain my weight. It's a bit tiring.

You can be careful as far as you can, but you never know when you're going to fall over and break your ankle. It's like when you drive a car, you don't think about crashing, do you?