The host, who looks like he got dumped on Valentine’s Day, will sit out NBC’s Sochi coverage tonight, ending his 157-broadcast run of prime-time Olympic coverage, dating back to 1992. “You hear it called pinkeye or conjunctivitis, but, as a practical matter, I haven’t had it before,” Costas told the Times today. “You have swelling and stinging and burning and eventually tearing. And last night was the most difficult night of the five.” He’ll spend his day off “in a darkened room, taking antibiotics and using eye drops, while still using [cold compresses].” Surely there are some performance-enhancing drugs around.