We've always been involved with America - I have a son who lives there and it's a big part of my life.

One of my grandfathers, actually, having gone out there as a minister, decided he would better serve the people as a doctor. So at a very late age - at the age of 38 in fact - he changed course and decided to become a doctor.

But this is where you get all the market research and things get in danger of becoming formulaic, and where you depend on brands and getting recognised actors. It's the thing that precludes risk very often, otherwise everyone would be avant-garde all over the place.

Doing a job, or even watching a film, can make a difference to your life, but I don't think it ever has an explosive impact where your life will never be the same again. It kind of seeps into your life, and perhaps realise you're a little more vigilant about certain things than you might have been.

So, if you haven't picked up some tips during an apprenticeship like that, you shouldn't be directing. It doesn't mean you can do it, but it loads you up with information.

I think England has served me very well. I like living in London for the reasons I gave. I have absolutely no intentions of cutting those ties. There is absolutely no reason to do so. Certainly not, so that I can have a swimming pool and a palm tree.

There's a paraphrase about Orson Welles saying: "Great films are made by great directors and the rest are made by everyone else." I've been very lucky... before I start insulting the profession of directing, but I think a good director is everything and a bad director really is nothing at all.