Part 1: The salsa dance class
SH: Stop. Wait. I have to figure out what I did wrong.
Me: It doesn't matter! Keep dancing!
SH: But why didn't I get this step? What beat do I lift my hand on? Where are my feet supposed to go?
Part 2: Hanging pictures
Me: It looks good there.
SH: No. I have to measure it. Is it exactly in the middle?