"Whoa, Bills-" Jon held up a hand, "-let's not get ahead of ourselves, okay?" Jesus, he was too sober to deal with this shit. "Now, like I said, both you and Brendon went over that thing and I've done a million tests of my own. I know I'm not as good as you guys, but if there was something there, one of us would've found it."
Another thought came to mind, "And besides, hardly any of my students have gotten ill and Mac refuses to live anywhere else. I know jarveys aren't the best meter of, well, anything, but they do generally tend to stay away from ill-willed magic. That's even been documented. Well documented, in fact."