In England, you have stadiums in the middle of the city.
In London, you'll be walking around and, 'Oh, there's the ground.' Every area of the city has a Premier League club. They all survive; they all exist with enough money, and that's good.
I think a father is important for everyone. If you don't have, then maybe not so much. In the world today, it's possible that you grow up with only one parent in the family.
There is something special which rides on a game between Liverpool and United.
I had no bad moment in my relationship with Dortmund. Not one second.
I left Mainz after 18 years and thought, 'Next time, I will work with a little less of my heart.' I said that because we all cried for a week. The city gave us a goodbye party, and it lasted a week.
Derbies are always difficult to play because you have to handle the pressure. There's no advantage or disadvantage for either side.
The emotion to handle the pressure is one of the biggest challenges in football - it's the top challenge.