I worked my way back into a stony declivity and settled myself upon a low ledge. I began the troublesome shapeshifting work, which I paced to take me half an hour or so. Changing from something nominally human to something rare and strange — perhaps monstrous to some, perhaps frightening — and then back again is a concept some may find repugnant. They shouldn’t. We all of us do it every day in many different ways, don’t we?