Lyra's mouth opened in a wordless gasp, and one hand shot out to grab something, closing tightly down on his sheets near her head. She wasn't expecting him to move her, like that, to stay inside her, like that, and it took her a moment to be able to attempt to return that grin, trying to shape it around the feeling of him, and his thumb, right there. "Oh, my god, yes," she breathed, her other hand drawn to squeeze her breast, her thumb a copycat of his, her hips rolling slow against his. "God, that fucking smirk of yours is hot."