I used to not really like going to the gym when I was playing tournaments because I'd be sore and stiff. But the more you keep doing it, the less soreness you have. And you actually start to enjoy it.

Of course, money matters to everyone even if some don't want to admit it. If I won the Race to Dubai, I look at that prize money and think it could pay off my new house or the range I'm building. I am privileged to play golf for a living - look around St Andrews, that's my office.

It's been 18 months since I won on the European Tour and to win the flagship event, I could not have asked for any more.

It is never easy to win but it is a lot easier to win when you play well. The key is winning golf tournaments when you are not playing so well. Managing your game is something that I feel that I am still learning to do.

I think there came a time - probably when I was about 13 - when I started to struggle with an increasing volume of schoolwork and the demands from my golfing schedule and aspirations. I'm not sure if the decision to leave school was very clear in my mind then but I did know that in the juggling between the two, my energies were most definitely in the golfing direction.

I have always said I will try to answer questions honestly. I don't want to change that about myself. I think people appreciate that about me.

You know I need that cockiness, the self-belief, arrogance, swagger, whatever you want to call it, I need that on the golf course to bring the best out of myself. So you know once I leave the golf course, you know that all gets left there.