Seems to be a lot fitter than in previous campaigns, whether a result of starting more regularly or a real desire to be in top shape, it's paying off. If he's one of the fittest on the pitch then there's no stopping him as his talent and technical ability on the ball coupled with that will see him dominate plenty of games for us. It could also just be a more disciplined approach to his play - not sprinting for everything trying to prove himself, choosing his moments in a David Silva style and retaining energy for when he needs it.