Stan was tired of his son living there. His son didn't even pay rent. Not only that but his son was always getting on his nerves. Martin was always getting into Stan's stuff. he was also breaking some his stuff too.
Martin's room was often a mess. Martin could hardly ever get employed. When he did, the job didn't last for very long. He had also wanted a daughter. Then he got an idea.
He powered up the program. Then he typed in Martin's starts. Then he changed male to female. He changed the duration to forever. He waited a bit. Then he hit mental and changed it so Martin thought he always was a girl. Next he went up to Name, and changed that Martha.
Then...