Oh god, yes.
Once, on the last day of school, me and a few friends went to a local pizza place to buy some lunch. We bought a XL pizza with loads of toppings. Of course some of the ppl didn't want to wait till we got back to eat and so one of the ppl opened the box. The person holding it somehow slipped and the entire pizza landed face-down on the floor. So yeah... lesson is, never try to take pizza out of a box while walking down a street.
Have you ever read a (book, video game, movie, etc.) series, of which the next one wasn't out yet. Then obsess over the details of the next one for weeks before forgetting it and, years later realizing you never finished the series?