You’ve come to cherish the fragility of snails, come to love them in a small sort of way. When you see one attempting to cross the sidewalk, you pick it up—and it shrinks from you—and you move it to the other side. When it rains, you become more careful, you walk home with the light on your phone on. When you step on a snail in the dark, the shape and timbre of that sound taps something deep within you, and you imagine paying someone to take a needle and ink and carve colored lines into you, marking your own…