The Devil Is In The Details, and sometimes the details come in the form of the eldest child explaining how things “really work around here…”
(scene takes place in a crowded kitchen. Dad is cooking dinner and turns around to see three children doing something horrifically dangerous)
Dad: “GUYS, Stop that this INSTANT! You could get badly hurt!”
Big Sister, whispering loudly to her brothers: “That means we’re not allowed to do that when Daddy is watching.”