I have very few memories of being young. My brother, four years my senior, has far more vivid memories of his youth than I do. It’s been my anecdotal observation of about five families that the eldest child tends to be the family historian. They seem to remember intricate details of holidays, pets, friends, and other things from very early in their life. They’re often the ones reminding the rest of the family, including parents (who were there, too, at least in body), about details they’ve long forgotten.