The Italian water to human ratio is at max one-third the American water to human ratio. And the more people are at the table, the worse the ratio gets. For example, Italians will order two litres of water for fourteen people. Instead of, you know, just for me.
I don't know if they're right or if we're right. I don't know if there are benefits or drawbacks to drinking more water or less water. What I do know is this:
You will be thirsty. Double that order.