I'm lucky enough to know a language professor who talks about heritage languages. How the languages that were spoken in your household become a little easier for you to pick up later, even if you yourself never spoke them because there are bits you absorbed even if you didn't fully understand all the grammar reasons. I was visiting family a had a chance to play mahjong. I took to it immediately and eventually showed up at a library mahjong event where I had the great fortune of being picked up by a threesome whose fourth had gotten stuck at work....