Fiction is very greedy. It will take all you know and then some. The first novel I tried to write, I was struck by this - the appetite of the blank page for ever more information, ever more data. An empty book is a greedy thing. You are right: You wind up using everything you know, and often more than once.
John UpdikeWhat is the past, after all, but a vast sheet of darkness in which a few moments, pricked apparently at random, shine?
John UpdikeThe world keeps ending but new people too dumb to know it keep showing up as if the fun's just started.
John Updike