"When I first came into the England squad I was just looking to keep my head down, work hard," he said.
"There were players that had done a lot more than me in the game and they took on that responsibility. But now I'm more involved in the team and won a few trophies with Chelsea, I feel I can play a much bigger part in things.
"I have come out of my shell a lot more. It is something that has progressed not only with age but from playing so many big games for club and country.
"Would I give Wayne a telling off on the pitch if required? Yes, I'd do anything now if it helped England get the result. Good players respond to such things if it's for the good of the team."
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