Yeah, that's what he said...but I guess it does make sense to an extent...from what I know...Eggs aren't set until you're given them...so you can't actually turn down a Shiny egg by accident without knowing...but once you get an egg- that's it. It's possibilities are set and locked in place, no changing it lol. So if you take an egg that hatches Shiny, after saving you shut off and go back and do it again, it should in theory remain to be Shiny lol.