Blinking, Stacy frowned in confusion, looking at him like she'd never seen him before in her life. She knew the face, of course, but he could've walked right past her, shouting, and she might never have looked. Sounding like that, he might as well have been a stranger.

"Mathias? Hi," she hesitated, wondering if she really wanted her peaceful afternoon interrupted, "I was going to go down to the waterfall. I thought it might be quiet there."