She likes that reaction, wants to hear it again. She rolls her wrist, stroking him again, smudging her thumb over the slick head of his cock. When his mouth slides over her nipple, the rhythm of her hand stutters because it's hard to concentrate on that while he's doing whatever he's doing with his teeth. Whatever it is, it sends a shock right down between her spread thighs. She pushes her free hand into his hair, tugging lightly.

"Harder," she prompts. "C'mon, Jim."