Nein.

She has become a prolific user of the word

No.

There are appropriate ways to say it, and use it, we remind her.

And it doesn't mean you always have the choice - right now - to decline anything you don't want to do.

But it is such a good word to learn.

The ability to say “no” is often undervalued.

And she is learning how to say it in different languages, though her French pronunciation needs polishing.