For me “How long could I get away with driving like an ABSOLUTE ASSHOLE all the time before I lost my licence or had an accident.” Speed limits, red lights, stop signs… forget them all. Every day I have to drive sensibly and obey the law because without my licence I dont have a job, and every day I see at least one person driving like an absolute moron and I wonder…
https://en.m.wikipedia.org/wiki/Language_deprivation_experiments
I already knew about Psamtik’s experiment but I thought I had a bigger memory of it than what I was able to find quickly. There’s a good starting place if you want to look deeper but I’m not that interested