Not sure we're gonna figure out why, either. Better just focus on walking.

[He starts walking with her, squinting out through the fog. He keeps an eye on Linda incase it looks like she's about to sink, but she seems okay. As long as they're both doing okay, he isn't worrying too much. After a little bit of walking, where neither of them seem to be sinking, he sees a larger shape looming ahead in the mists. It turns out to be a hut.]

Think there's anyone inside?