"I suspect Yaya's wish will remain just a wish," he said, mildly amused. "One can't really go back to being a young child or a baby after they've grown past that stage of their life. But as for Rhythm..."

He considered for a moment. "If I had to hazard a guess, I would say it has to do with being comfortable with and confident in yourself. Your sister's turning up when she's feeling especially feminine would seem to support that, as that seems to be part of what helps her feel most confident and comfortable."