You can save 584 gallons of water by peeing in the shower.
According to a study, if you shower once every day and you pee during that shower, you could save 1.6 gallons of water from not flushing the toilet. So to do the math, for 365 days in a year, there’s a total of 584 gallons of water that you could save just by peeing in the shower.
"Car on the right has the right-of-way" is true in the US as well - look it up - but the importation of a culture with no rules has badly eroded the observance of this standard.
#12 1000 a day or a year?
Some backward third world country still living in 1932 ?
A gallon is a part of a binary volume measurement system. It is very efficient (ask your computer, which spends way too much time converting to base-10). Volume is also correlated with the weight of water on Earth, "A pint (1/8 gallon [volume]) is a pound (16 ounces [force]) all the world round".
The French had a chance to make the Metric system similarly grounded in the world we live in, but they hated the English I guess so they decided to go with a less useful, arbitrary standard instead.