I don't know Justin Bieber so I wouldn't want to marry a man I don't know.

I think I have a vested interest in thinking that the lyrics are important, but I think for us it's important that we all write things that mean something to us, and I think we're not really in the business of writing la-la-love-you chart pop songs. It needs to have a personal pulling in the gut for me, to want to write anything about it.

My dissertation was on the idea of feminine-themed women's magazines, so like how the ideal woman is put across by women's magazines.

If there's a strong melodic thing somewhere, whether that's in a vocal or in a guitar part or a sample. Something that sticks in your brain, that seems to be something that works.

No matter how many people try, no matter how many fancy songwriters in Los Angeles try to break it down to a formula... to an extent, there isn't a science to writing great songs, I suppose. For me, it's always about melody - it doesn't matter what genre of music you're writing, if there's a strong melodic thing somewhere, whether that's in a vocal or in a guitar part or a sample. Something that sticks in your brain, that seems to be something that works.

It was always very important for us that we presented ourselves as a band, because it's a three-part writing process and it's a three-part decision making process, it's not two producer guys and a girl that sings the songs. It's startling how many people make that assumption.

I'm abstaining from romance and the discussion of romance.