Every player needs a little time to adjust to new teammates and the mentality of the coach when you change clubs.
It takes time to adapt to become an Arsenal player.
Moving to Fleetwood was a shock to the system at first. I'd never been at a full-time club.
When I joined Lille, they had a new stadium at Marseille. It was the same, so I know how important it is to clubs when they move home.
When you come to a new club, it takes time to adapt.
Niko Kovac had to understand the system inside Bayern, to realise that this is a very different club to Eintracht Frankfurt, where he was before.
At my first clubs, TOP Oss and NEC, I was the one everybody looked at and talked about, but at Feyenoord, I was one of many good players.
You have to be careful when you time a move to one of the biggest clubs. Occasionally, these young players do not realise what a good thing they are on to when they know that they will be playing every week.