Sometimes I think the best “coming of age” stories are the ones that open old wounds. The older we get, the harder it is to remember exactly what it was like to be young and inexperienced, stepping out into the world for the very first time. But an expertly crafted tale of adolescence reminds us just how painful life was when we knew nothing about it. We thought we were making it all up as we went along, that nobody ever felt the way we felt before and that nobody ever would again. Films like Sean Wang’s “Dìdi” remind us — to our relief and, often, embarrassment — that everyone else pretty much felt the same way.

“Dìdi” is Wang’s feature film debut, after his 2023 Oscar-nominated documentary short “Nǎi Nai & Wài Pó,” about the day-to-day life of his two grandmothers. Do yourself a favor and watch “Nǎi Nai & Wài Pó,...