Better strap on your wine-throwing goggles, or you’ll be absolutely blinded by the splashback when Stephen Colbert receives a gallon of metaphorical Chardonnay full in the face. Last night UnREAL’s Shiri Appleby stopped by the Late Show to demonstrate how reality-show producers stir up watch-worthy drama among, say, the pool of adult women who volunteer to compete for a man on national television. As it turns out, that self-selecting group of people is pretty sensitive about their untreated mouth STIs.