Everyone ultimately decided that they couldn't just keep their mouths shut forever.
Because that really wasn't something a normal person could endure.
However, Chris could.
The others decided to wait for the fog to appear before they would start to keep silent, and Aldrich and the rest couldn't help but take the opportunity to ask Byrne and his companion why they would do this.
"Because this is the way to break the curse of the canyon, we might be able to leave this place by doing this."
After Byrne finished speaking, he fell into thought and then looked at Chris and immediately said, "This method was Chris's idea. He has basically figured everything out, it's just that he doesn't like to talk, so he won't explain to us exactly how he came to that conclusion."
He paused for a moment, then continued, "This valley and Chris's disposition are very well matched, perhaps we can trust him."