[She keeps moving down against his tongue, and it occurs to her vaguely that maybe she's making his life a little too easy by doing a lot of his work for him, but this is pretty nice regardless and she doesn't really want to stop. She laughs, breathlessly, hand threading through his hair]

Look at you, you're really completely helpless... you can't do anything but serve my pleasure, right now. And you did it completely willingly... You wanted it like this.