User blog comment:Sargenttacos115/Natsu and Gajeel age Theory/@comment-24.87.61.44-20121205064552

Good theory, but something to point out: Chronology or biology? If we're working with chronology this theory does indeed check out in the age sense, incorporating Layla even; however, we must also factor biology, in which case their mental state is still the same and so is everything else about them.

There's also the fact that they KNEW that it was specifically the year x777 that their dragons had disappeared. If your theory were correct, they would've thought their dragons had disappeared in the year x377.