Me: "Blah blah blah blah stuff that only grown-ups are interested in blah blah blah."
Her: "Blah. Blah blah-blah blah."
Me: "Blah, blah blah; blah--- Nephew, sit down this instant and eat your lunch. ----blah blah blah."
My back was directly to him.
He sat back down.
I didn't see him stand up -- I just knew he was standing.
Sis: "You've got eyes in the back of your head now, don't you."
Sis says that Nephew's starting to take after my side of the family now, as well as Dude's and Sis's Dave's. More my side of the family, though --- we can positively identify what traits are coming down to him from my father and my mother.
This is amusingly scary, as Sis and I have no known biological relationship, and out of Nephew's four "parent" figures as determined by physical attributes and other characteristics, only Sis has any biological relationship to Nephew.