He gripped and tugged and dug slightly onto her ear, then more and more as he neared the edge of what he could stand. No, really, if the scarf was going off, he was doomed. He had been doomed a minute ago, because now she was just trying to reach lower.

Once there was that nip, however, the sound he made reverbated slightly onto the cave, as loud as it was, eyes impossibly wide.
thirty seconds? Thirty what? How long was that anyways?
It just might have been a slight shock as he suddenly shifted, pitching all his weight onto her to pin her onto wall or ground, and then fingers leaving her ear so teeth could nip harshly into it, along with what might be either a purr or growl...