Players can find it hard with him because, like Guardiola, he comes across as a bit obsessive. To get a style like you do at Ajax - Dutch Total Football, basically - it needs lots of work and lots of attacking players. It leaves a lot of space and you want your defenders playing really high up. It entails a lot of risk and you have to be a bit of a maniac to instil in your players that every pass has to be just right, that there can be no mistakes.