"Urbosa said that it was common, especially among the Sheika, to lose height like that with age. Not as much so with the Gerudo, but it does happen. She suspects it has to do with the bones getting smaller, like the old riddle, what walks on four legs at morning, two legs at noon, and three legs at night. A person. I haven't really studied much into medical or biological science, so I'm not sure how much sense that all makes."