Earlier quoted context omitted.
>I remember my vacation in the states (in the South). I got served a absolutely massive glass of coca-cola with my dinner. When I had finally managed to finish it a waiter came and refilled the bloody thing when I wasn't paying attention. How can you enjoy your meal with that much to drink? Are you from a place where there is a cultural taboo against only drinking part of the beverage a restaurant serves you? Saying…
Are you from a place where it’s culturally accepted to let left-over drinks simply go to waste?
Absolutely. Where I'm from, no one bats an eyelash at a half-glass of soda left on a restaurant table.