Her: Well, you know, it's not really over until the far lady sings.
Me: That's totally bollocks, you know.
Her: What?
Me: Well, the primadonna soprano usually has her solo about a third of the way into the opera, at the latest. In my experience*, the show isn't actually over until all the surviving members of the cast come forward to gloat about how they're still alive and they never liked everyone who died anyway.

* Don Giovanni