Songwriters always reminded me of that kid at school who would go around with his guitar, like, 'Yeah, songwritin' man,' looking wistful. That wasn't me - those kinds of people put me off. In the early days, I'd write a bunch of lyrics and almost look at them as a sort of joke, to make the rest of the boys laugh.

Every time you write a song, you’re looking for some sort of perfection, and you never quite reach it. You’re always looking for that extra missing piece.

There’s that 15 quid we put on One Direction to win down the drain.

I just wanted to do something that would freak people out. That’s the best thing to do.

Love’s not only blind but deaf.

There is always that one band that comes along when you are 14 or 15 years old that manages to hit you in just the right way and changes your whole perception of things.

You can’t worry what people think.

A lot of peopletell me I’m a bit dreamy, but I like the idea of that. Of being somewhere else.

Maybe I’m too busy being yours to fall for somebody new.

The first time I went to New York, it was really exciting, and I thought, given half the chance, it would be nice to live there - the same with London.