Over the course of a story an insane character actually becomes less insane and more sane as time passes. The opposite of SanitySlippage. They may start out sane and become insane before becoming sane again. The point of the trope is that they ultimately end up as more or less sane or saner.
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!!Examples:

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[[folder: Anime and Manga ]]

* Harry in ''OutlawStar''. He starts off as an AxCrazy StalkerWithACrush to Melfina but as the series goes on he becomes more loving and gentle towards her and even makes peace with Gene his enemy before his death.
* Anemone from ''EurekaSeven'' starts off as a violently psychotic TykeBomb, but grows much stabler in the presence of her handler/guardian Dominic. Late in the series, [[spoiler:he manages to restore her sanity completely through the PowerOfLove]].
* ''{{Naruto}}'' has Gaara. He starts out AxCrazy but is now a nice mentally stable guy and is actively trying his best to help Naruto his friend who he once considered his enemy and tried to kill.
* Nina Einstein of ''CodeGeass'' starts out sane, exhibits SanitySlippage and and then in the beginning of R2 recovers much of her sanity. Later scenes indicate that her insanity was not so much defeated as it was [[MoreThanMindControl redirected]]. [[spoiler:Near the end of the series is where she starts to actually recover.]]

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[[folder: Live Action TV ]]

* Parker from ''Series/{{Leverage}}'' fits this trope well. In the pilot, Nate actually says "Parker? She's insane!" And he means it. As the series progresses, she becomes more normal as a result of the [[TrueCompanions family bonding]] the team experiences as they run jobs together.
* River Tam on ''{{Firefly}}''. PlayedForDrama as it just means her lucid periods get more frequent, so she's more often ''aware'' of her [[ReluctantPsycho insanity]].
* Connor on ''{{Angel}}''. He starts out a warped LaserGuidedTykebomb raised in a hell dimension by a vengeful KnightTemplar and [[SanitySlippage gets worse]]. Angel then uses a DealWithTheDevil to rewrite reality to give Connor a happy life and fake memories. Even after Connor regains his true memories, the knowledge of what Angel did for him keeps him stable.

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[[folder: Tabletop Games ]]

* You can try doing this in ''TabletopGame/CallOfCthulhu'' (requires Psychology skill), but ultimately it's just [[CosmicHorrorStory delaying the inevitable]].
* In ''TabletopGame/EclipsePhase'' this can be attempted with mundane therapy or "psychosurgery" that reprograms the software of the brain with nanites. Or failing that revert to an earlier [[BodyBackupDrive backup]].

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[[folder: Tabletop Games ]]

* VideoGame/AmnesiaTheDarkDescent: Daniels can regain sanity by staying in light finding items, or completing puzzles. There's also a sanity potion which was cut from the game, but is available for mods.


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[[folder: Western Animation ]]

* Wanda Maximoff from ''XMenEvolution'', who was sent to an asylum by her father Magneto shortly after her mutant powers emerged. Magneto eventually has Mastermind [[MindRape mess with her head]], replacing all her bad memories with good ones so she believes he'd been a loving father. Ironically, she became less psycho and more kind and gentle towards others.
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