Your son must've been pretty pissed off. I mean, ANYTHING you invest 500 hours in is important. I knwo its a game but cmon. How old is he? Maybe it was an accident but that doesn't add up. He did it to hurt you and maybe you were spendin a bit too much time in front of the tv..... I mean, kids will do some crazy stuff like that just to get a rise outta ya. I'm really sorry that happened. I would quit for good if my characters were wiped and i have nothing compared to what you lost. Wait til comet comes out then startover again. Best advice i got for ya. Good luck and find out what's up with the little guy(or young man)....there's something to that. It's not a simple mistake. Unless he's like 4 yrs old obviously