I really thought I couldn't be a mum. We had tried several times with IVF,, and it hadn't worked and we'd given up in a way. We both thought, 'You know what, that's that. It's not going to happen - let's move on.'

Viceroy' is the first British film about the Raj and the transfer of power from Britain to India made by a British Indian director. It is a British film made from an Indian perspective.

I saw 'Billy Elliot' again, and what I loved about it was the way it had become a social document, a reminder of what happened with the mining communities in the '80s. And I thought, 'Everyone keeps wanting me to make a sequel to 'Beckham,' but maybe a musical remake is the answer, embracing all this theatricality.'

Writing film scripts is the hardest thing in the world. A script has to go to five or six drafts, and you need the feedback of other people and to keep coming back with a fresh eye, honing it down.

Although we are busy with our own work, we still try and spend time together. At the same time, we give each other space. I think that is the key to a successful marriage.

Middle age is when a guy keeps turning off lights for economical rather than romantic reasons.

Love makes me vulnerable. In business I'm tough on myself - I'm like a drill sergeant. If I'm down, I'm used to getting right back up, but when it comes to love, your heart can't do that.

I like Cornwall and particularly the Isle of Mull on the west coast of Scotland where I got married. It's absolutely beautiful.