I never go online. The Internet stuff is bonkers. You must not look at it.

Writing for adults often means just increasing the swearing - but find an alternative to swearing and you've probably got a better line.

I don't think, generally speaking, people become writers because they were the really good, really cool, attractive kid in class. I'll be honest. This is our revenge for people who were much better looking and more popular than us. I was a bit like that, I suppose.

The trouble with a series as it gets older is it can feel like a tradition, and tradition is the enemy of suspense, and it's the enemy of comedy. It's the enemy of everything, really. So you have to shake it up.

Reinette: One may tolerate a world of demons for the sake of an angel.

Amy: I had something I wanted to tell him. Stuff always gets in the way. Canton: Stuff does that.

There's something that doesn't make sense. Let's go and poke it with a stick.