If I ever uttered one word that I said in 'Kick-Ass', I would be grounded for years! I'd be stuck in my room until I was 20! I would never in a million years say that.
For me, even in my first book, the pleasures of writing anything magical is that it has to be physical. It has to be grounded and very much in this world. Then, I get to play with all the consequences of this new thing.