“I think it’s like—you know how when you look back at something and you realize how stupid it was to be upset that Tiffany Blanchard didn’t invite you to her slumber party? And how stupid it was that Greg Newsome didn’t ask you to homecoming? Like, when you’re climbing or hiking or just out there in the hills, when you see, like, the products of geological time—it’s like that. It’s like—” Zoe fumbles, makes slow circles with her knife, trying to find the word.