She turned away and reached for it.  She placed one hoof on top of the casing, before leaning in very close and blocking his view of what she was doing.  He noticed, with a complete lack of surprise, that one of her ears had swiveled to remain facing him, but he paid it no heed.  Instead, he focused on the bright red pattern in her fur which perfectly matched the emblem printed on her cap.  He had to suppress an urge to touch it—just in time he remembered how Lyra had reacted the first time he’d touched hers.  If the nurse was adjusting mysterious medical devices, it would hardly be in his best interest to interrupt her in her work.