Thus ensued the usual argument. 'I was going to do it but
After much whining (and that was just from me!) we established a goal. He will have it all cleaned out, the plates and glasses scrubbed; the general mess tidied up and the entirety of the floor not obscured by furniture visible by 7 PM tomorrow. If he doesn't then he loses TV for the entire weekend. I won't remind him; he's nearly 14 and should be able to remember the goal and achieve it.
Doubtless he imagines that if I disconnect his antenna upstairs he'll be able to make do with our big screen set downstairs. He's an optimist!