Merlin chuckled. He liked the idea that he was still seen as an advisor to the powerful, even if he wasn't exactly whispering in the ear of the king anymore. He also liked her fingers tapping down his chest.
"Oh, I assure you, plenty of simple mortals have done exactly that," he said, stroking his fingers over her hips. "I wish I could teach you, my dear, but it is innate. It cannot be taught." He grimaced regretfully, because she would make an amazingly fuckable witch. Of course, going down that particular path never went badly. Ha ha.