There's always a learning curve, where you've got to learn what your subject is all about.

You see Boris Becker, Mats Wilander, Nadal, Pete Sampras - they were all great when they were young. As a coach, you can see that type of talent at an early age.

At 21, there's lots more room there, plenty of things to improve on as you get older.

Tim Henman has the all-time Betty Crocker draw. We're talking Easy Bake Oven.

I did a really good job of sticking to the tennis court.

There's always a learning curve, where you've got to learn what your subject is all about.

I remember Agassi playing Federer in Basel, Switzerland in 1998, and Andre was already saying at that time that Federer would be tough. Usually at the time players are 17, you can see if they will be great.