It's a friendship thing, Sans. Get used to it.

She holds him a little tighter when he leans against her, ever mindful of his injuries. "I'm not sure that's the case," she replies thoughtfully. "After all, they didn't know I was going anywhere until I left, and I'm feeling it too. Do you think anyone else is feeling it?" It might be easier to find a pattern if they knew of more than two people with the same problem.