Sport fosters many things that are good; teamwork and leadership.

I think one of the things about being a good coach is to recognise when you have given all that you can. In fact there should be some sort of unspoken law that says that a coach cannot have anyone for three or four years - if you have not passed on most of the stuff you know in that time, then you are not doing a good job.

I've still got a small fitness and conditioning business where I travel round the world doing stuff for individuals and corporations, mainly fitness training.

There are lots of women tennis players, for instance, but because not many of them seem to have much personality, they're interchangeable. You don't have a feeling about them.

Even if you've been involved in a World Cup, the Olympics is huge. Only the Games has the power to change communities.

The only limitations are mental. The guy who thinks positively will win.

Sometimes you have to resist working on your strengths in favour of your weaknesses. The decathlon requires a wide range of skills.