Tao's jaw ticked and his face darkened. "I don't. Feed." He bit off again. Looking up at him then quickly lowering his eyes again he shook his head. "On the rare occasions I must, dine, in public there are two humans who offer their services. But it is rare, otherwise I do not feed." He explained tersely. He still needed blood of course, and preferably human for the strength but he had a blood bank he had a secret vested interest in.
He smiled as Riley pulled at the restraints and stroked along his balls. "Do you want this off now?" This time he raised eyes with no problems, "Do you. . . want to stroke yourself, slowly for me? Or perhaps you want my mouth on you? What kind of release do you need?