It's a goddamn masterpiece, the first genuine must-see of 2013 and may be Harmony Korine's first truly great movie. No, really - there's no joke there. Go see this. Now.
"Intermission" talks caveman movies, because of "The Croods" (which is actually pretty good.)
Oh, and come see ME at PAXEast! I'll be around the con all weekend, and at the Escapist Movie Night panel at 9:00pm on Saturday in the Merman Theater!