In 2017, I brought leftover pizza to work (about 3 slices). Upon careful examination of the fridge, I noticed that there was only one slice remaining. I subsequently sent an angry email out to the entire school, to get to the bottom of the investigation.

The next day, the culprit confessed and apologized. She accidentally thought it was free and subsequently bought me an entire box of PizzaRev to apologize. That was quite nice. After finding out who it was, I wasn’t actually that mad at her.
It’s funny, because the pizza I brought to work was actually free, provided by planet fitness the previous day on free pizza day.
Looking back now, I would never send an email out to the entire school for such a trivial thing. But it’s still funny to laugh about it now that it happened years ago.