That was NOT at all what he was expecting her to do, but it is a welcome surprise, evident by the way his laugh shifts to a deep, throaty groan of want.

Even with her now in 'control', he can still play the part of the tease.

"That's what you want from me, is it?" He gasps, playfully. "To sit astride me, like the Queen once did here in her chambers with her King? To claim me...and all this treasure, this hoard as yours?"

Dragons like treasures. And there are many in this room.