As everyone else has pointed out, she's four, and you can ignore a careless or frustrated word or gently correct an unkind one.

Everybody else *here*. The comments at uexpress will make you very sad and/or frustrated.

And what was the point of mentioning Timmy? To get brownie points for being tolerant of all this newfangled diagnosis business?

Yo, he's not even her brother or even her actual cousin.