If I ever own a Playstation of any kind, I'll be sure not to do that.
I actually had a MGS for the ol' PC (actually still do, but it's not like it's installed or anything, and I'm not sure I could find it), but not really my cup of tea.
Anyways, back to the riddle: it was a
really long labor
Or, between the children there was a switching of a calendar, so while the other brother was in fact older in the other calendar, they went back a few days before the birth of the second son and so he was actually according to the official time born two days earlier.
So, in a way, time-travel...