Himself calls Thing One to the bottom of the basement stairs.
H: "What are the three factors needed for an explosion?"
TO: "Fuel, oxygen and ignition."
H: "Don't be the ignition!"
I don't know what is going on with those two boys but they can't be anywhere near each other these days without all hell breaking loose immediately. Half tempted to tell both of them to put on their protective taekwondo sparring gear and pitch them out into the backyard to work things out. Would be a reasonably fair fight and maybe they can ditch some of their excess testosterone that way!