"How obedient of you," he murmurs, though it somehow manages to sound like a threat. The look in his eyes is dark and dangerously playful, and he travels lower, kissing the insides of Watson's thighs as he slicks up his fingers. While he's down there, he may as well kiss up the shaft of Watson's cock as he starts with one finger, pushing it past Watson's entrance.

He watches Watson's reactions carefully, trying not to grin too widely. Watson is so wonderfully sexy when he's so definitely given himself over to his animal urges.