Temper

Dr Claudia Schmitt watched the CCTV images and sighed. Her experiment with Jergen had been going so well until now.
He had come to her in an effort to find a way to control his temper.
Under her programme of hypnosis, subliminal messages and hormones, Jergen had turned from a violent, angry man, into Heike; a pretty, caring, young woman.
Dr Schmitt was so pleased with Heike's transformation she had arranged for her asssistant Claus to take Heike on a date.
It had all gone well until Claus forgot that Heike's transformation wasn't complete and he'd asked her for oral sex.
Jergen's personality had resurfaced and the results for Claus were not pretty...