Slowly the fantasy evolved, and you imagined her demands increasing.
Soon she was giving you orders and not caring that they made you downright subservient, until you discovered that it wasn't just her control but your submission to this fantasy woman that was an ever-growing turn on.
Ha. "Ever-growing" in more ways than one, right boy?
You no longer hungered for a nice girl next door; now you wanted to be under the thumb of a full-fledged bitch.
Suddenly, everything became clear.
Your fantasy woman was actually a leather-clad Dominatrix, and all you wanted was to become her slave— to do her bidding and be abused by her.