(It’s lunchtime in a packed high school cafeteria. For whatever reason my friends and I are on the topic of kidney stones. I’m a girl and a good chunk of my friends are guys.)

Guy Friend: “Girls have it so easy when it comes to kidney stones. Y’all have a bigger hole and everything.”

(All the girls at my table get quiet as all the guys nodded to each other in agreement.)

Me: *yelling loudly because I have no shame* “YOU SERIOUSLY THINK THAT GIRLS PISS OUT OF THEIR VAGINA?!”

(The entire cafeteria goes quiet as my guy friend turns very very red.)

Guy Friend: “I… um… I mean… uh.”

(And that’s how I taught most of my classmates a very important lesson on female biology.)