She keeps breathing urgent praise into his mouth, and it's a rush that goes into him like pure oxygen, electrifying and hot. As she begins to speed up, he follows her lead, trying to tease more sound out of her. Molly uninhibited and chasing something she wants at full tilt is a creature he's never seen before, and the more he sees the more he wants.

Even as her hips rock into him faster, he can feel her clit stiffen and swell. His thumb is slippery by now, and he strokes her in small, hard bursts as if he's trying to coax a vibrato note from his violin.