Me: Okay, making a cool red stone trap for mah house!
*Spends 3 DAYS making a cool trap with lava under a WOODEN house.*
Me: Nobody's getting in!
*goes to friends house in Minecraft and comes back to see house on fire.
Me: WHY GREIFERS!!!!
Friend: *Facepalm* Your house is on fire because you out lava under it...
Me: OOHHHHHHH *Starts crying*
Friend: *Logs off*