It'd probably be more difficult to propose with a solitary princess-cut Resident Evil: The Mercenaries 3D cartridge, though. According to the above box-shot provided by NeoGAF forums user Vyse The Legend, it appears as though TM3D saves cannot be erased. This means that A) your actions in the game can never, ever, ever be taken back, just like in real life, and B) that your save files can't be reset by the frugal gamer that buys your old cart from GameStop.

Some speculate that this seemingly arbitrary limitation has been implemented by Capcom in order to discourage used game sales, and seeing as the Japanese version can be bought used for as little as six bucks, we can't imagine US gamers getting much for their trade-ins when the time comes.