Choosing between the 50 m and 100 m is like choosing between your children. I have favourites on different days.

No one likes to get beaten, even if it is to your best friend.

All's fair in love and war and sport - even when you're fighting against your sister.

People get caught up in the idea that health is just what you look like and what you eat, but your health is physical, emotional and mental. Who's to say eating that bowl of ice cream after training isn't going to help me psychologically and emotionally?

I parade in next to no clothes every day. It's hard not to compare yourself to other people, but I think everyone is different, and that is something we should be celebrating.

At the Olympics, you have almost nothing to lose, but at the Olympic trials, you have everything to lose. You have the last four years of your life to lose.