"Yes, good, that's it," she says smugly, "I think it's a definite sign of a higher state of arousal when you can't control yourself and you take out your cock like that, don't you?"
You nod, ashamed as you continue to stare at her in lust. Your hands start to perform their devilish teasing tricks, bringing you close the edge of orgasm. You raise yourself on your knees, and straighten out your back. You clench your teeth, struggling to hold your orgasm back!