Son Number Two has a pair of “spy glasses” in which you can see behind you. They’re kind of neat so we were playing with them. I had the boys hold up fingers and I would guess how many they had up. Son Number Three thought this was a fun idea, but he kept not holding up any fingers at all. Baph kept holding up fingers though. The whole scene was mystifying to me.

Me:  Son, you’re not holding up fingers.. wha-
Baph:  he’s holding up fingers behind his back. I was trying to signal to you how many he had behind his back.
Me:  [understanding] Oh… Son, were you holding up fingers behind your back to see if I could guess them even though I couldn’t see them?
SNTh:  Yeah, I was trying to test your psychology.