Caffeine and sugar. Often together. I don't know too many folks just drinking black.
We forget caffeine is a psychoactive drug. And everyone is high. According to the National Geographic short video Caffeine 101, 90% of Americans drink at least one caffeinated drink per day.
What's so special about this magical bean water?
It's an acquired taste. And a routine. It's become the symbol of the productive and it's available on every street corner. It’s roasted and sweetened and steamed and frothed whatever way you want.
And it makes the morning a bit more pleasant.