Yukio Mishima wrote that he remembered taking his first bath as a baby, but there's no way even he remembered everything he did from birth until death.
Ref # A Dictionary of Advanced Japanese Grammar p423
LR
In ex # 7905, I don't recognize the exact grammar from "どうしたりいかわからにんです。 " It seems like "Dou shitari i ka wakarani n desu" ought to be more like "Dou shitara ii ka wakaranai n desu." Is the original sentence slang or regional dialect?