It's definitely time to stop. We're getting too old. We both realised that the show wasn't as engaging as it used to be. We were starting to look a bit ridiculous.
But when you get to a song, not only do you have to do a vocal melody, you have to write words and not be redundant and make some semblance of a story.
I'm not suggesting that the play is without fault; all of my plays are imperfect, I'm rather happy to say-it leaves me something to do.

