Until the Eighties, Oslo was a rather boring town, but it's changed a lot, and is now much more cosmopolitan. If I go downtown, I visit the harbour to see the tall ships and the ferries, and to admire the modern architecture such as the Opera House or the new Astrup Fearnley Museum on the water's edge.

We're capable of understanding that someone has to drop an atomic bomb on a town of innocent civilians, but not that others have to cut up prostitutes who spread disease and moral depravity in the slums of London. Hence we call the former realism and the latter madness.

Sick is a relative concept. We're all sick. The question is, what degree of functionality do we have with respect to the rules society sets for desirable behavior? No actions are in themselves symptoms of sickness. You have to look at the context within which these actions are performed.

Ever since I was in my teens I had plans at one point in my life to write a novel.

All my friends who wanted to write had got nowhere trying to write the great European novel. So I deliberately steered clear of that and set out to write something story-led.

All interesting heroes have an Achilles heel.

I've read that it's the smell some carnivores use to find their prey. Imagine the trembling victim trying to hide, but knowing that the smell of its own fear will kill it.