Playing against Messi, as I've said before, is as tough a test of your concentration as any in football. At any moment, he can take the mickey out of you. Physically, it is demanding, but mentally even more so. You cannot switch off.
I don't know how you work on concentration. You are either born with it or you're not. And I was definitely not born with it.
I just try to concentrate on concentrating.
In the power of fixing the attention lies the most precious of the intellectual habits.
Sometimes I have lapses of attention, and I can lose some points very quickly - that's been a big thing for him.
Attention is the material I work with.
I have an attention span that's as long as it has to be.
People who say I'm not focused, they're crazy.