In the moments before a game starts my stomach turns around as if I had to vomit. Then I have to choke so violently until my eyes tear.

I don't see myself coaching because the intensity of that is massive, and the intensity as a manager, for example Arsene Wenger, is even more.

It is an important duty at Arsenal for the experienced players to show the younger ones that there is a chance to make it into the first team.

Arsene Wenger is a coach who has a very special personality. He has an experience that not many coaches have, and all at one club, at Arsenal.

Moving to London enables me to fulfil a dream and a further step in my career. The Premier League has always represented a great challenge for me.

Youngsters need self-esteem, simple targets in life which give energy. In the academy they can be so easily distracted by so many other things it's amazing.

If you just protect and you have no chances on the break and you miss one chance to kill the game, then it's difficult in the Premier League to win any game.

Arsene Wenger was always the kind of manager whose belief in his team's qualities was steady as a rock and who approached matters with never-ending patience.

I've played for 15 years and played in five major tournaments. I know what it gives me in terms of the joy, in terms of the love for the game. But I'm done with it.

Mesut and I played together at Werder Bremen and Arsenal for so many years. There is no other player that I shared so much time with. We were important for each other.

It is not only the skilful players who can make the difference in a game. It is as well players who just try to stick to their qualities and give absolutely everything.

There are so many people around young kids nowadays it can make it very tough and difficult - people who think they are going to care for those kids but do the opposite.

Everyone says I should really savour the last year, play as much as possible, really soak everything in. I'd most like to sit on the bench, or, even better, in the stands.

Some days you realise that everything is a burden, both physically and mentally. That it's not about fun, but you have to deliver without a doubt. Even if you are injured.

If Messi has the ball, he is fantastic to watch and difficult to stop. You have to double up on him, triple up on him even, stay with him constantly to block his way to the goal.

You never stop working, you never stop doing things because there's someone behind you - in a respectful way - who is giving absolutely everything in every single training session.

There are still so many issues around young players, and we need to find the right way for them. What is really important? What does he need for his self-belief? For his development?

If there is a really good player at U16 level who disrespects the coach, if you then say: 'You can go somewhere else then. That is not how we do things here.' That would be powerful.

I was fortunate to play under Thomas Schaaf at Bremen. And I played for Arsene Wenger. So I always felt, let's say, more responsible than others towards the manager and his succession.

Being in a career and going from highlight to highlight and playing a lot of matches you go through it and think it's normal when you play in front of 60,000 and you almost want to vomit in front of every game.

Suarez is like a cheeky boy, he looks like a cheeky boy who can really switch on and off how he wants to be, so that is really something. When he is on the pitch, what is going on around him doesn't bother him.

That's why I kept going with my school - I wasn't talented. That's what's the difficulty - you want to define key talents when they are 12, 13 or 14? When I was that age I was nowhere near. People had given up on me.

I had a totally different upbringing, totally different background, raised in Germany, small town, now I am in London taking care of 180 kids who think they are the one percent who can make it in professional football.

For almost 15 years, professional football is about yourself: How can I improve? How can I make myself better? Before winning a game was the short-term reward that meant everything. Now, I can look at the bigger picture.

I've never had that dream in my head: 'I want to play Bundesliga or Premier League.' I was a fan, but it was never the dream that one day I was going to make it, because a lot of people had told me already that I wouldn't.

The heritage of Arsenal, to believe in our academy and to really promote our academy. That's important and that's why I am here as well. I wouldn't waste my time just to know that we are not having successes here at Arsenal.

We have all the money in the world but do not realise how important the body is. A player on average has a seven year professional career, 10-15 if everything goes right. You have to do everything possible to be at your maximum.

When I played for Hannover I had several offers, also - as I have been told - from Hamburg, Bremen and Bayern. Back then I already was a German international and Bayern would have loved to have the complete German national team.

When I was young and visited England with my auntie, as somebody who was football crazy, I simply had to come back with a shirt. I can't remember why, but I came back with an Arsenal shirt and my brother had a Manchester United one.

Never tackle, never go down, we've heard it over and over again. You have to try to keep Messi away from the goal and block him with multiple players while being as close to him as possible. He is too quick, too fast, too intense with the ball.

Obviously, everyone looks at whether we bring young footballers into the first team, that's one of the goals. But I wouldn't discard someone who is successful in life, that's big. The hall of fame in the academy should be a wide variety of stories.

I want players to think: 'OK, this has happened now, what is next for me?' That's a very big target because what are academies about nowadays? Is it really just to find one or two players? But what happened to the others? I'm very, very interested in that.

The amount of staff we have in academies is... I've never seen anything like it. It's good to take care of the players but sometimes I get confused by the number of people who have an impact on one kid - we're talking 100 people or more. It's quite a heavy load.

That's what I love, getting the tube, not getting any recognition, trying to be as normal as possible. Sometimes you get a big Arsenal fan and they tell you they have a season ticket or want to have a chat, which is fine. Some want a selfie, but sometimes I just want to say: 'Let's just shake hands. It means more than a picture.'

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