From the up coming 3by3 Writing Method – Planning, Writing and Finishing Your Novel Workbook
“An amazing thing happens during the process of writing a novel: creativity takes over from your conscious mind. It can happen that you begin writing one story and another one emerges.
The only way to get to the heart of your book is to write it and finish it. So often, your subconscious mind has driven you to write a novel and as you write, a new book rises from your inner soul.
If your story changes, so be it. You can fix it on the rewrite. When do you start over? When the book you began no longer exists: the plot has changed and the main character has changed.”
3by3writingmethod 
I enjoyed this article, and appreciate it as I’m in the process of writing my first Novel. So, far I’ve been doing pretty good! Have some assistance from family members and an Editor! Your right it just might be something else. I’ve changed my mind about genre a couple of times already! Barbara M. Carrasquillo
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I have a form that will be included in my upcoming book that helps you define your main character, her goal and your story. It is free and is basically chapter three of the book that will be published at the end of the month.
The link is this
http://www.meetup.com/3by3-writers/files/
and its is called new member information…. you dont have to join the group but you might find the information valuable.
Steve Browne