He bucked once, wanting to hit as deep as he could, he felt himself jerk against him and tightened his arm around Riley's waist. Hissing out a breath at the feel of teeth, he sucked at Riley's upper lip. "It won't last." His body just did not retain heat, which made the need to be inside of him so much greater. It was on the edge of pain, his body so hot around him. His fingers felt along his jaw, his neck, marveling at the texture of his skin. "Let the water do the work."