I was going to joke about construction, but I’m still working on it.
I was going to joke about time travel, but time ran out.
I was going to joke about electricity, but it was shocking.
I was going to joke about pizza, but it was too cheesy.
I was going to joke about chemistry, but I didn’t get a reaction.
I was going to joke about stairs, but it was a step down.
I was going to joke about procrastination, but I’ll tell you later.
I was going to joke about paper, but it was tearable.
I was going to joke about infinity, but it never ends.
I was going to a joke about an elevator, but it let me down.
I was going to make a joke about gardening, but I drought its funny..
I was going to joke about math, but it didn’t add up.

You should write the official rules of the joke, pass a law and convict perpetrators who break your rules. Author itarians love that shit.