I have been drinking a lot of coffe my entire adult life. Many cups of really dark coffee. But a cup is small . And dark coffee doesn't necessarily mean loaded with caffeine. Nothing prepares you for the kind of watery-yet-caffeine-loaded juice you get at a US coffee shop. It's like they think someone would enjoy drinking a half liter hot beverage, and get half a lethal dose of caffeine. Even though I drink 5-10 cups…
I collected some useful information in this X thread: https://twitter.com/sridca/status/1710450654500561028