Tropes about something which one would expect to exist (as an inevitable part of RealLife, or a logical extrapolation from known aspects thereof) being conspicuous by its absence. In some cases these are AcceptableBreaksFromReality that facilitate ConservationOfDetail, but they often inspire a degree of FridgeLogic.

See also CensorshipTropes, ThisIndexDoesNotExist, ThatWhichMustNotBeIndexed, and WeWillNotUseAnIndexInTheFuture.

High overlap with TheIndexOfZero, for things to do with the number zero (0).
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!!Tropes:
[[index]]
* BottomlessBladder\\
Video game characters never eat, drink, sleep, or go to the bathroom.
* ConvectionSchmonvection\\
In fiction, heat can only be transferred by direct contact. For instance, people can get within inches of magma and be perfectly fine, but if they actually ''touch'' the lava, they'll be fried instantly. ([[DoNotTryThisAtHome Don't try that in real life.]])
* GetBackInTheCloset\\
Homosexual relationships never go farther than [[HoYay suspiciously-close friendship]].
* HideYourChildren\\
In video games where [[VideoGameCrueltyPotential the player is able to inflict gratuitous mayhem on anyone unfortunate enough to cross their path]], children are either utterly invulnerable or do not exist.
* HideYourLesbians\\
Homosexuals do not exist.
* InvisibleBowstring\\
A bow with no visible string. It still propels the arrows, however.
* MissedMealAesop\\
Someone never eats, and they end up [[AnAesop learning a valuable lesson.]]
* NeverSuicide\\
Characters who look like they've killed themselves never have.
* NoAntagonist\\
There are no villains in the story.
* NoBikesInTheApocalypse\\
Once an apocalyptic event happens, characters always walk, ride animals, or look for cars; no one rides a bicycle.
* NoBiochemicalBarriers\\
Anything can copulate and produce offspring with anything else, [[HotSkittyOnWailordAction logic and compatibility be damned.]]
* NoBisexuals\\
Everyone is either straight or gay. There is no middle ground.
* NoConservationOfEnergy\\
Energy can freely appear out of nothing and[=/=]or vanish into oblivion.
* NobodyPoops\\
Distasteful bodily functions are never shown onscreen.
* NoHuggingNoKissing\\
Romantic interactions are never shown onscreen.
* NoOSHACompliance\\
In fiction, facilities that are ridiculously hazardous are somehow allowed to continue existing in their present form, no matter how many people get maimed or killed in them.
* NoOntologicalInertia\\
Got a problem? Eliminate the source of the problem and it'll be solved instantly!
* NoProductSafetyStandards\\
Nobody has any qualms against selling stuff with a knack for killing its owner.
* NoSuchThingAsDehydration\\
In video games, nobody needs to drink to survive.
* NoSuchThingAsHR\\
There is no Human Resources department.
* NoPeriodsPeriod\\
The tendency for non-pregnant, fertile women to leak blood out of their vagina every month is completely ignored.
* NoPeripheralVision\\
People can't see anything that's not directly in front of them.
* NoPunctuationPeriod\\
There isnt any punctuation
* NotAllowedToGrowUp\\
Nobody gets older.
* NoThemeTune\\
We don't need no stinkin' {{leitmotif}}s!
* NoTranshumanismAllowed\\
Cyborgs and genetically-engineered people don't exist.
* NoZombieCannibals\\
Undead will only consume the living -- they never turn on each other.
* OneSteveLimit\\
No two characters share the same first name.
* PerfectHealth\\
Nobody gets sick for no reason, and nobody sneezes, coughs, etc unless they're sick.
* ThePiratesWhoDontDoAnything\\
Someone is never seen doing their alleged job.
* SchoolOfNoStudying\\
Nobody studies even though they're at school.
* SocialServicesDoesNotExist\\
Parents are abusive or incompetent or both, yet the kids aren't taken to social services.
* ThereAreNoAdults\\
The characters are all kids and/or teens.
* ThereAreNoBedsheets\\
Video game characters sleep on top of their blankets.
* ThereAreNoCoincidences\\
Someone thinks coincidences don't exist.
* ThereAreNoGlobalConsequences\\
When aliens/monsters/etc are revealed, the general public doesn't react.
* ThereAreNoGoodExecutives\\
All businessmen are evil.
* ThereAreNoPolice\\
People commit crimes, but the police never show up.
* ThereAreNoTents\\
Video game characters who are outside need to stay at hotels; they can't just camp.
* ThereAreNoTherapists\\
Someone's problem could be solved if they just saw a psychologist/therapist/etc, but they don't.
* ThereIsNoHigherCourt\\
The people who make laws can do whatever they want.
* WorldOfNoGrandparents\\
Nobody's grandparents are seen.
[[/index]]

Wait... this ''is'' an index! [[note]]''*BLAM*'' [[YouDidntSeeThat ...You saw nothing.]][[/note]]
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