He could taste blood, his own and his lip was hot and swollen. Tao let go of Riley's hair and moved up to support himself on one arm. His thighs shook as he thrust with no rhythm, just desperate to be inside of him, hitting deeper each time. He could feel the howl build, feel it reverberate in the body under him. Hissing out a breath as he grabbed his hair and matched his thrusts he was breathing now, more reaction then anything. Harsh hot breath, coming out in short gasps. "I'm going to fuck you on your knees, tied down helpless, I want you raw and bleeding." He snapped back. He could feel his blood moving again, pumping through his body, warm, hot, singing. He felt everything, his senses acute and focused on only the man he was pounding into.