Talk:Gems/@comment-3965346-20150727004434/@comment-24181639-20150728031229

If they don't have a digestive system, anything they eat would just... get stored inside them. Aside from Amethyst, Greg points out that "Garnet likes to eat sometimes," and Pearl has clearly done it before. Shapeshifting a digestive system might just be an optional thing that they do as a matter of course.