He barely registered the purr, for some reason it just didn't seem strange to him, in fact it spurred him on. He nibbled at her neck.
"Ah!" He jerked at the pain, his hand tightening in her hair, and he kissed her again, feeding from her mouth. He was slowly losing his mind, losing his grip on his animal.
He pulled away with a pained sound. "Matty," he said, his voice a deep bass. "God, I don't wanna ..." Instead of the grounding him the pain of her claws was shredding his humanity. The words dissolved in a ragged growl and he shook his head. "Don't wanna hurt ya."