Board Thread:The Flash discussions/@comment-26855145-20161026193400/@comment-3221148-20161110180758

Well, he "realized he's never going to be like him" not because he sucked. But, rather, because he literally made facial surgery to look like Barry, traveled in time, went to museum, then FOUND OUT BARRY WAS ACTUALLY HIS VERY OWN KILLER.

THAT led Eobard to a number of unhinged deeds, eventually accepting his fate as Zoom.