Once you've invested hundreds of hours in creating a coherent universe, your story's grown to around a half-million words and can't be written as anything less than a trilogy.
“The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair.”
“Very rarely do you have a perfect race, and it's about overcoming your mistakes in the race and remaining composed.”