A foolish man is facing online backlash after attempting to calculate how many tampons women should go through a year, and telling them to "stop whining".
While the man's identity has been kept anonymous (probably for good reason), Twitter user Ash shared a screengrab of his Facebook comment.
"Look at this f**king dweeb," she captioned the Tweet, which has racked up almost 13,000 likes.
In the comment the man calculates that as the average period is around 10 to 35ml of blood and each tampon holds about 5ml, the average women should go through around "seven tampons a cycle".
"Let's be generous and say 10 for those ladies with an extra-juicy uterine lining," he adds, which is surely a phrase nobody should ever use.
"Nine periods per year equals 90 tampons max," was the result, telling women to buy a 64-pack of tampons listed for £7.90 (NZ$15.50) plus shipping on Amazon. You could of course "buy two packs and save on shipping" if you were a smart spender.
The man concluded that the average menstruating woman should spend around £20 (NZ$38) on tampons a year.
"Cut down on your Starbuck venti frapps and stop whining. This isn't a first world problem," he finished.
As you can imagine, the backlash was swift and furious, with many pointing out the wild generalisations in his calculations, and much confusion at the "nine periods a year" call.
"It's medically dangerous to wear a single tampon for more than 8 hours, so let's call it 6 hours/tampon. Let's call it 5 days of your period (although lots of people have 6-7 days). That's at least 20 tampons per period. TWELVE periods per year makes a minimum of 240 for the year," someone else calculated.
"I am so confused by all of this. 7 tampons per cycle? 9 periods a year? Juicy uterine lining? Has this man ever even met a woman?" another mused.
"The average number is 35ml-45ml. So literally the only thing he got right was how many days are in a week," another pointed out.