They beam, rolling their hips back and forth against the thick warmth of Justin's fingers, feeling how wetness starts to gather right at the core of them. They can start to hear it too, that slightly damp squish as they grind down -

"That's right, sir," they murmur against Justin's mouth now, tongue flicking at the corner of it. "You take such good care of me don't you? You know exactly what I need. No one else can satisfy me, can they? Not all those men who try to look up my skirt when I cross the street, or the women who stare at me in the bathroom. None of them. They all want what you have, don't they?"