On love triangles and technology
In the good old days, there were machines to help you signal your jealousy, especially when your man-of-steel made out with other women in front of you.
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But then, sometimes you realised that your competition had far superior technology which she was using to cut you out of the game.
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But then, sometimes you realised that your competition had far superior technology which she was using to cut you out of the game.
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Undeterred, you could always turn to your trusty time-travel machine to set things the way they should be.
Ah, for the good old days.