Would you rather have a time machine that can only travel back in time or into the future? For me I think I'd have to choose back in time. Sure, it'd be nice to see the world long after your years would surely be past. But being a history buff and super nostalgic, I think revisting the past would be pretty darn awesome. Doc Brown wouldn't have anything to worry about with the space time continuum...i wouldn't change a thing :)
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