Entrepreneurs need to be positive. Always. Entrepreneurs need to be brave, often. And lastly, entrepreneurs need to be obsessed.

Business, like life, is funny. We all go through difficult times, and we all have to face curve balls and challenges, each and every week. And we need to laugh when things are funny. If we take it all too seriously we will go mad.

Entrepreneurs need to listen. They don't need to be good listeners (although it can only help) but they need to know when to listen.

I think most entrepreneurs would refer to themselves as "accidental". No one looks for stress and pain. You stumble on to it. Also, no one looks for pots of gold, it just happens.

The most obvious answer, that you can read in any leadership book is this - learn to say "no" so that you can make time for the important stuff, the stuff that is closest to your heart. And of course, as all entrepreneurs will say, "surround yourself with good people". That is the hardest thing : finding good people.

The movie industry is brutal. It is dangerous. It is, for most, soul destroying. Creating art (music, books, films, etc.) can be beautiful and liberating, but trying to sell art, well, that is the movie business. There are few winners, and lots and lots of losers.

I battle to fall asleep at night. My mind races every other night. I have always been like this, for as long as I can reminder.