Your prank was supposed to give it a shock, but it must've exploded from the impact! You guess. You aren't a scientist.> John: Wonder why that Rose you just punched exploded. Are Roses made out of nitroglycerin in this adventure or just that one?
> EB John: Ponder why your changed your chumhandle even if this universe's Terezi is just another you but as a troll (assuming the trolls exist at all), and therefor wouldn't give you a death threat that convinced you to change from ghostyTrickster to ectoBiologist.
> Any John: Are there any girl-Johns in this universe? If not, do you... multiply through mitosis or something?
This diagram clearly explains it.
You already knew this wasn't your house but the Johniverse's version. Still, nothing could prepare you for this.