It's a big jealousy thing in Germany that you have from fans - not the hardcore fans, because they always stand behind their team.Collection: Jealousy
In England you get fitness from playing.Collection: Fitness
That is the only way to survive in the Premier League. Every game is a battle, whether you're playing the top team or the one at the bottom of the table.
Being a substitute can be an advantage. I know this situation from the national team. And I am also good as a player coming from the bench.
You can play perfect football, lots of one-touch stuff, and you lose. But that's not what you want, you want to win.
Wolfsburg might be a smaller club when you look at reputations and I thought about it long and hard. I could have stayed at Chelsea. Mourinho told me that I would get my chance. You have to make a decision, though, and in the end I only wanted to play football again.
In the end, not only the team, but the players themselves benefit from having to prove their worth time and time again, too.
I had a good time at Chelsea and was accepted in the team, so it's difficult to explain why I left. My performances were good as well, but there was a time in my second season when I felt I didn't have the manager's trust any more and I didn't play many matches from the start.
I definitely did not fail at Chelsea. I always had my chance, scored important goals in the first season. At the end I just wanted the transfer, although Jose Mourinho wanted me to stay.
I don't think you would find any player in the Bundesliga who would say that they would not at all be interested. Chelsea would have been very interesting for me. You don't get a chance like that very often in your life.
When I was in Germany I never played like this, so defensive - almost a left-back, but that is good for me because defensive work was something I missed in Germany.
We need to show we could be in a fight, a battle, and win it. If that means we have to be willing to do something that takes a yellow card, then we have to be ready to do that for each other and I'm happy to do that.
I think I'm quite a clever player and that I realise there are times when I can be offensive but others when I must be more compact and work for the team, because that is what matters.
With a line of six in the defence and then three in front of that, it's not always easy to find the spaces to score the goals.
We had a difficult last two years when I was in Dortmund. It was not easy, the relationship between fans and players.
It's not easy, especially for a German national team player who did great things in the past and maybe is struggling. That's why I think most of the German national team play abroad because if you don't play for Bayern Munich and you don't always win, it's difficult.
I played there a couple of times in Leverkusen, playing as the striker was nothing new for me I knew what to do - it was fully okay.
In Germany there are only two dominating teams, Bayern and Dortmund. In England the top group is broader.
I come to Fulham on loan, they haven't paid anything for me. I'm just here to play football and they see that I want to give everything. I get the feeling that they give me something so that I can be at my best.