Manners is the key thing. Say, for instance, when you're growing up, you're walking down the street, you've got to tell everybody good morning. Everybody. You can't pass one person.

Since they came in with the selfie, it's the worst thing. You hardly ever get asked for autographs any more. It's always selfies.

Repeating is harder than anything else.

I think my acceleration is very good. That's the key for me.

Sleep is extremely important to me - I need to rest and recover in order for the training I do to be absorbed by my body.

Yeah, I am lazy. There's no doubt about that.

But if I keep my core and back strong, the scoliosis doesn't really bother me.