"Yeah, I think you're right," says Alex, worrying her thumbnail with her teeth for a minute. "I don't know...if I've ever told you how I started. Len started hooking me up when I was fourteen because I didn't see grays when I was high." Her mouth tightens. "I keep watching Edie in case I get a sign that she can see them too. I...Fuck, Hop, I don't want that for her."