It's an amazing feeling: tennis is growing very quickly in Canada, and to be a big part of it is an honour.

I'm demanding and critical about myself. It's something my parents passed on to me.

At the end of the day, it's not really about the aces, it's about getting the job done.

Canada has been phenomenal to myself, my brother, my sister, their kids, my parents. They came there. They worked very hard. They came with a great education, very good heads on their shoulders with the simple thought of going there with almost nothing and just saying, 'We're doing this to give our kids the best opportunity possible.'

If we push for the children to know tennis, they have the chance to like it.

If you can miss getting up in the morning and running into a wall, I miss playing football. I'll never be a frustrated athlete.

If I had not played basketball and made the millions of dollars that I had made, I would never have been able to build a hospital in Congo. It started in 1997, and 10 years later I was able to unveil the Biamba Marie Mutombo Hospital, named after my mother, in my hometown outside of Kinshasa. It was such a blessing.

If I really felt like I was the world's greatest athlete, I'd get 10 great events. But I know that's pretty much not possible. That's the toughness of the decathlon.