Urine can be utilized for a lot of things you'll be surprised.

It can be used to make gunpowder, and fertilizer 😃!

https://www.todayifoundout.com/index.php/2013/04/urine-facts/

https://www.removepaywall.com/search?url=https://www.usatoday.com/story/news/nation/2022/05/21/human-urine-fertilizer-sustainable/9824078002/?gnt-cfr=1&gca-cat=p