I had a healthy curiosity and would try things on - play lots of practical jokes. But it was more in my head - fantasies of What would happen if...? Like what would happen in class if you took all your clothes off and you ran around the room?

I'm an engineer by trade so I've always been interested in engineering and technology but also I've a strong interest in self build and off-grid properties and how it would affect us in terms of lifestyle.

I think it [Blu-ray] has 5 years left, I certainly wouldn't give it 10.

I had been self-publishing for a number of years at that stage and selling my books at markets around Melbourne - little pocket books. I'd make them for 10 cents and sell them for a dollar. But I knew there was an audience who loved silly stuff so I just kept plugging away.