Something in his voice discouraged her from questioning. All her natural inclinations and past experience told her to figuratively pin him down for attempting to change the subject, having brought up something so clearly personal and then artlessly, blatantly avoided delving further into it; something deeper, though, responded to that unfeigned curiosity in his tone, the wariness his body language communicated. Her eyes narrowed against the sun as she turned to face the spot that drew his gaze.
"I don't-" She stopped abruptly, lips parted, her hair whipped into her face by a sudden gust of wind. The light winked on again, then off, as if summoning them by some preternatural Morse code. She could not find the words to speak, nor the energy to take a single step. It was as if this call - and it was certainly that, something deep within her soul insisted it was so - froze her in place as much as it beckoned to her, tearing her apart with warring impulses to stay and to go. She felt light-headed, dizzy, faint as if mere moments from collapse. She reached out to her yet unnamed companion, praying she would not fall.
"Maybe..." She swallowed hard, then forced a deep breath down into her lungs. "Maybe we could swim out and see." It was a ludicrous suggestion. The island lay miles from shore, and already exhaustion rendered her limbs heavy and unresponsive. This truth did nothing to dull her curiosity, however, and the pull the glimmering light held over her showed no signs of abating.