When you walk the track and you see a corner and realise you were going round it at 160mph, you wonder who could be so stupid to take a corner at that speed. But in the car, you don't even think about that.

After 10 weeks away from Formula One, when they started the engine here at Valencia and everything was vibrating, I found myself sitting in the RB7 and smiling.

I don't care what other people think as long as I am happy. The day I die or retire, I have blown all my chances because I don't have the chance any more to change my image as an F1 driver.

You can't always say what you'd like to say.

It's just fantastic to feel the speed and the braking. It was a hard work - to hold an f1 car on the circuit is a job in itself. To drive quickly is another thing. I enjoyed it.

At the end of your life, it's friendships, emotions and thoughts that you take with you, rather than what's in your bank account. So, even though people don't have a lot here, they are a lot richer in many ways and we can learn from that.

When you walk the track and you see a corner and realise you were going round it at 160mph, you wonder who could be so stupid to take a corner at that speed. But in the car, you don't even think about that.