Many years on this planet teaches you many hacks and, this grandmother has taught us all 'the best way' to fold our fitted sheets.
Ever since this has been posted on social media it has sent many people into disbelief.
The video was captioned "Thanks mum for the tip on how to fold a fitted sheet," which has since racked up over 4 million views.
"This is the best tutorial on folding that sheet ever," said one.
"She cracked a code we didn't even know existed," wrote another.
"Absolutely amazing - your mum is gifted," added another.
We guess no matter what age we are it is true that mum's are always right.