She can't get enough breath to howl. Her body is arching hard against him, trying to get that last little bit of touch. His body presses deep, making demands she can't help but comply with. She contracts around him, hard, her body shaking, convulsing with bliss. Another thrust and she's breaking, tipping over that edge into sweet oblivion, her breathless sigh turning into a deep throated howl, soft against his chest, but no less powerful for it.