It was right then, between when I asked about the labyrinth and when she answered me, that I realized the importance of curves, of the thousand places where girls' bodies ease from one place to another, from arc to the foot to ankle to calf, from calf to hip to wait to breast to neck to ski-slope nose to forehead to shoulder to the concave arch of the back to the butt to the etc. I'd noticed curves before, of course, but I had never quite apprehended their significance.