Yep, and then you look like the pushy parent of the kid who's very smart - but not quite as smart as mom thinks.

DD's other parent is a much better teacher of math than I am, and generally a better teacher of DD (because DD and I are similar enough we butt heads). But when it comes to a block, I'm the one who needs to identify and resolve it, because DD goes wrong in such unusual ways that the similarity between us becomes a help, rather than a hindrance.