‘My entire 49 years I’ve been doing this wrong’: Woman finds out the right way to use a cheese grater

Therese Ryan (@thereseryan12) seemed simultaneously upset and happy after finding out the right way to use a cheese grater.

She shared her bittersweet reaction in a viral TikTok that's amassed 2 million views.

"The crap I learn off TikTok," the woman, says at the top of her video.

She then picks up a cheese grater and slams it against a wooden cutting board. Then she flips it on its side, rather than holding it upright.

Next, Ryan holds up a block of...