"I have no idea, its even a surprise to me!". What most people don't understand is that, your surrounding and background can have a huge impact in the way you write and developed. For example, a person who has never been in poverty before, can not expression or get though to the readers ,that in desperate time a plain bowl of rice can mean the "WORLD" to them. If you have not gone though the experiences and live though it, then you can't connect with the audience and expresses those emotions.
When Stephenie Meyer was ask on how she came up with the million dollars story-line on the Twilight Saga, she told us that it came to her in a dream. At that time Meyer was just an average stay at home mom who takes care of her children. She was not expecting to land a novel that would turn her into one of the wealthiest writers in the business. This tells us that fantasy isn't always useless. People like to fantasize!
J.K. Rowling is one of the most famous author of all time. She wrote Harry Potter, which gave her enormous publicity. She has an abusive father figure and her mom died while she was in the process of writing the book. When Rowling wrote Harry Potter she was in her middle-age and an unemployed mother. These factors lead her to expresses herself though her writing. Her hard lifestyle was portray throughout the book many times (Harry Potter being an orphan). This shows that lifestyle and background does effect your writing and thoughts!