" Last time I was watching her, I left her in her crib and when I came back, she was a puppy. Just for a couple of hours, then she was herself again.’ I mean, I almost couldn’t speak. I said, ‘Did it occur to you to tell me this?’ And she said, ‘Well, I thought it might be a one-time thing. I didn’t want to worry you. "

― Sharon Shinn , Still Life with Shape-Shifter (Shifting Circle, #2)