He helped John Cusak get his girlfriend back.

When the lights go down, that's 30,000 peoples lives colliding. Everyone there working is working for that moment, everyone watching is watching for that moment. It's when you're all in agreement about what you're all doing so it's a wonderful feeling of togetherness and possibility.

The goal is to try and make the perfect song. Which of course will never happen.

What makes us a bit nervous is, in this instant age, to release something that might take more than one listen. Where everything is instantly judged on YouTube or something! It's a bit like releasing a horse and cart on a racetrack.

You can never say you're big - I don't think you can ever take anything like that for granted.

Although it's painful at the time, most of the things that people have said about us negatively - some of them are true and you can work on them, and the ones that you don't agree with, you don't work on.

I think One Direction are the biggest band in the world, their songs are great.