I know what I can do, so I never doubt myself.
As long as I'm in great shape, nobody beats me, for sure.
I don't have a clue. These things don't bother me. I think about the technical stuff but not how many steps or what my heart rate is.
For me he (Tendulkar) is one of the greatest cricketers
I can still improve a lot, but there is definitely a limit to what the human body can do.
The older I get, the less I am bothered by talk like that. I have total faith in my coach Yohan Blake, total faith.