It always happened like this: he would look and look for the keys to Satan’s Hearse and then finally he’d just give up and say, “Fine. I’ll take the fugging bus,” and on his way out the door, he’d see the keys. Keys show up when you reconcile yourself to the bus; Katherines appear when you start to disbelieve the world contains another Katherine; and, sure enough, the Eureka moment arrived just as he began to accept it would never come.