"Frustratingly so?" He smirks at that, looking smug and amused to hear it. "You talk about dreaming about me and I'm the frustrating one? Tease," he says with a small smile as he gets out a small bowl of sugar cubes and then a small pitcher of cream he'd charged to never go bad. He might not rely on magic, but he recognized it's uses.

"And I will be nice enough to make them for her when she gets home. If she runs about half dressed as well," he teases, definitely playing now. In part because it just feels good to have people in his life he can joke with, and in part to try and distract Potter from his nightmares.

If some of the flirtatiousness was just being glad to flirt with Potter, well then so be it.