The Aztec high priests knew about the caffeine "high" but I don't think they realized they were also high to start with from all of the the highbred carbohydrates..
Chocolate being a link to paradise..
They had been doing it for so long already..
That's how they came into being in the first place..
Then came the alcohol and caffeine and nicotine and cocaine..
Or is it the other way around..
Which came first the chicken or the egg..
Except this one can be seen with a certainty..
First the pyramids reaching out to the gods then spaceships to the moon and back again..
The Aztecs and slavery and blood sacrifices..