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Playing With / Sanity Slippage

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Basic Trope: A character's sanity begins to slip.

  • Straight: Bob starts losing his sanity over a lengthy period of time.
  • Exaggerated: Bob becomes an Omnicidal Maniac within a day.
  • Downplayed: Bob starts hearing voices in his head after a matter of months.
  • Justified:
    • Bob got poisoned with a slow-action Psycho Serum.
    • Alternatively, Bob was already insane, but lost or ran out of his medication.
    • Bob is going or has gone through a pretty brutal Trauma Conga Line, and loses touch with reality as a way of coping with his misfortune.
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    • Mental illness runs in Bob's family. The symptoms don't start to show until adulthood.
    • Bob had a Personality Swap with somebody who was insane, or borderline insane.
    • Brainwashed and Crazy
    • He Who Fights Monsters
  • Inverted: Bob starts out a madman and becomes more normal as time goes on.
  • Subverted:
    • Bob goes insane, and then becomes sane.
    • Or, he found his medication or got a refill.
    • Bob appears to have gone insane, but it was just an act.
  • Double Subverted:
  • Parodied: Bob believes that somehow, somewhere... a duck is watching him.
  • Zig Zagged: Bob slips into and out of sanity.
  • Averted:
    • Bob is completely sane and never becomes crazy.
    • Bob has always been insane to begin with.
  • Enforced: "Crazy Bob is just more popular than sane Bob."
  • Lampshaded: "Is it just me, or is Bob acting stranger then usual?"
  • Invoked:
    • Bob's mental illness is genetic and he got it from one of his parents.
    • Bob was a drug abuser and his lifetime of drug abuse caused brain damage.
  • Exploited: Bob's hallucinations tell him the future, and he uses this to save lives.
  • Defied: "I'm not going crazy, I'm not going crazy, I'm not going crazy!"
  • Discussed: "Bob seems a little different..."
  • Conversed: "Why is it always the nice ones who go nuts or are badass?"
  • Implied:
  • Deconstructed:
    • All the people Bob once knew and loved are now scared of him and don't trust him because of his slipping sanity.
    • Bob is put away in a mental hospital.
  • Reconstructed:
    • Bob's family and friends decide instead of avoiding him they should help him regain his sanity.
    • Bob is declared not a threat to himself or others.
  • Played For Laughs: Bob's craziness is nothing more than saying stuff that doesn't make sense and doing silly things.
  • Played For Drama: Bob goes nuts, and becomes a Serial Killer and starts killing his loved ones.

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