If a pony does not earn his cutie mark, how do they progress into adult life? Do they accept it and submit to rules that don't apply to them or do something else entirely?

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A one-shot created simply to vent, initially, I wrote this in an hour after a rare jolt of inspiration. If anyone enjoys this, then that makes my day! As well as that, this isn't what I'd usually write so I hope I did a smashing good job.

With thanks to the omniscient ARTL for fixing my horseword errors. He truly is a saint.