As a polyglot, I’ve come to speak or read on a daily basis a multitude of languages.

I sometimes wake up speaking English, switch to Japanese for work, read an article in Korean before meeting up with French friends. Sounds great but there’s a problem with that too.

I’ve come to “forget” words I knew.

Or, to be more precise, they are stuck on the tip of my tongue.

For non-language learners, this is laughable. But for anybody learning a foreign language for long enough, this feels like a real problem.

Could you forget your native language?

If you live in your native country, the risk of forgetting it altogether is rather low. But the probability of forgetting common words stays really high.

“I… 기억한다… 覚えてる…记得… me souviens… ah right! I remember!”

In reality, unless you have some kind of brain damage or grow old and get…