I think that in order to be a film director, one has to be a warrior who shouldn't be defeated by the daily onslaught of problems.
'I Am Number Four' is an action-packed adventure entwined with a romantic story. I play the role of John Smith. John wants to be a normal kid, but he is from a different planet and he has been given this destiny of becoming a warrior.
We know they took their look very seriously - tweezers and combs were found in Viking graves. The warriors would file their teeth down to make them pointy, use kohl to make their eyes look darker, and red pigment on their teeth to make them look bloody.
These doomsday warriors look no more like soldiers than the soldiers of the Second World War looked like conquistadors. The more expert they become the more they look like lab assistants in small colleges.
It's the only thing that allowed me to win so many championship fights and allowed me to put up with the bigotry of the media, the keyboard warriors, the critics. I've endured it all because, spiritually, I am buoyant, alive.
I got injured just before we filmed 'Ninja Warrior,' which stopped me playing football with my mates. I haven't played football since. I'm crocked now, my back has gone and I feel like my body has packed in.