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6. Why is it essential for a looper to close his own loop?
This is another one of those questions Johnson had answered in his head but didn’t put in the movie. In fact, he even conceived a scene with Abe addressing it but never shot it.
“People in the future, all they know about time travel is to be afraid of it. So they’re trying to keep it as tight as possible. So the initial reason they set it up this way was to keep the causality loop as tight as possible,” Johnson said. Because, for example, if someone else kills your older self and you have to exist with your own murderer for 30…