"I could have gone all night without you saying that," he said.
Eh. Pappy went on to his eternal reward. I'd be surprised if he showed back up (to say the least), but if he did, we'd just set another place at the table.
At Passover an extra place is always set for Elijah - and in the Ashkenazic tradition he is formally invited in as a glass of wine is poured for him.
Some folks I know got to that point in the ritual, and the door blew open with a loud bang and a gust of wind swirled into the room. Everybody went "oooooooooh!"