"Can we get lucy in here mom?"
Said geoff. Lucy was his older sister, she was 19 and all of his mates drooled over her.
Geoffs mom called lucy into his room, and lucy looked confused.
"Whats up mom? everything ok?"
"Your brother wants to ask you something"
"yeah i want to swap bodies with you lucy, just for the day, to see wht its like being a girl. what do you say?"
"Are you kidding geoff?" said lucy.
Geoff then went on to explain the machine to his sister, and after a while she looked suitabley impressed. "How about we give it a week geoff, hardly discover the joys of feminity in just one day, and besides ive always wanted to see life behind the eyes of a man."
"wow, yeah, that would be great lucy. Good for a laugh!"
"How about we do this then, we will set the machine to change us back when we are both ready to go back. That way we can end it sooner if we find it too weird."
Geoff agreed and after a short amount of time, all was set.
"Ok lucy, here we go..." Geoff pressed the buttons on the machine, and the two started to change.