To confirm, you said you would do X.

Could you let me know when that’s been done?

It takes ninety seconds.

It turns a conversation into a document, and a document has to be answered, and an answer is a commitment, and a commitment can be followed up.

I had fourteen contacts with a school over four years and not one of them generated a next step, and the reason is that I never once asked for one in writing.

And it will not make you a difficult parent.