I'm a great believer in gathering together all your obsessions and seeing if you can make a novel out of them.
One of the paradoxes of writing is that when you write non-fiction everyone tries to prove that it's wrong, and when you publish fiction, everyone tries to see the truth in it.
One minute I was playing chess and doing maths all the time, the next I had been rerouted into more 'normal' girls' activities: reading, writing stories and worrying about my clothes.