Cuddy stops House from taking the vicodin and then tells him that she left Lucas for him. Then they kiss. Then the world explodes. And zombies over-run the land. But it's cool...
He asked Cuddy how could he tell whether or not he was hallucinating again and she asked if he took the vicodin. He knew he wasn't when he opened his hand and it was still there. He then dropped it on the floor and they kissed while he snuck a nip slip peek.