But, as it turns out, that’s just not true.

The truth is, most of the time you don’t really know what to do.

You just make a run at do your best," Robinson explained.

The Obama family

That advice clearly worked out well, asMichelle has since dished some parenting advice of her own.

But paid or not, Robinson was willing to earn her keep while in the White House.

Michelle even revealed Robinson taught Sasha and Malia how to do their laundry, too.

Michelle Obama with Marian Robinson

And, clearly, the rest of the White House staff were just as happy to have Robinson there.

“Grandma’s room was like the confessional.

They would come by and unload,” she recalled.

Michelle Obama and Marian Robinson