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->''"But if I wasn't ever going to be happy again, then I would make sure that they wouldn't be alive to enjoy their happiness."''
-->-- '''[[Manga/KimagureOrangeRoad Hikaru]]''', ''Fanfic/RevengeRoad''

"If I can't have you, then no one will!" is a StockPhrase often spoken by [[GreenEyedMonster jealous and envious]] or {{narcissist}}ic characters (often villains) demanding to be loved. The set up is usually as follows: Baddie has [[VillainousCrush grown infatuated]] with the hero or his LoveInterest and kidnaps her with the intent to [[AndNowYouMustMarryMe "marry" her]]. [[IHaveYouNowMyPretty Or just have his way with her]]. While it is possible for the villain to love their captive [[StalkerWithACrush in a non-sicko way]], it's usually love of the LoveMakesYouEvil or LoveHungry variety. Case in point: once the hero breaks her out and they kiss passionately, expect him to shout this line and decide that if she won't love him, she's not going to love anyone ''period''.

If the villain is a FemmeFatale who was wooing the hero, she may well shoot ''him'' once his love interest shows up. Many a non-villainous "jilted" ClingyJealousGirl will react this way, and there may be some truth to it, as this seems to be the mentality behind many people who kill their cheating spouses or ex-lovers (both in fiction and in RealLife). [[DeathByWomanScorned A woman may also be more likely to get away with it.]]

If the villain ever had an inkling of a chance, this becomes a form of KickTheDog or MoralEventHorizon that shows that they're "The Wrong Guy".

See NoMacGuffinNoWinner when the trope phrase is directed at something of intrinsic value, rather than an object of affection. See also LoveMakesYouEvil, {{Yandere}}, and LivingEmotionalCrutch. The polar opposite of IWantMyBelovedToBeHappy. Often the person trying to kill the object of their affection is NotGoodWithRejection.

An alternative to killing their beloved is for the villain to [[MurderTheHypotenuse kill the hero]] for being a romantic rival. If the villain is canny, he'll [[TheUriahGambit play it off as an accident]]. If he isn't quite sane, he'll tell his captive and actually [[WhatAnIdiot expect this to make her throw herself in his arms]]. When this trope is magnified and taken to its logical extreme, it becomes either TakingYouWithMe or PutThemAllOutOfMyMisery.

As this trope frequently occurs during the climax of a story, '''beware the spoilers!'''

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!!Examples
[[index]]
* IfICantHaveYou/AnimeAndManga
* IfICantHaveYou/ComicBooks
* [[IfICantHaveYou/LiveActionFilms Films — Live-Action]]
* IfICantHaveYou/{{Literature}}
* IfICantHaveYou/LiveActionTV
* IfICantHaveYou/{{Music}}
* IfICantHaveYou/VideoGames
* IfICantHaveYou/WesternAnimation
* IfICantHaveYou/RealLife
[[/index]]

[[foldercontrol]]

[[folder:Eastern European Animation]]
* The protagonist of ''Animation/{{Ersatz}}'' has the power to make anything, anything at all, out of blow-up balloons. He makes a sexy bikini woman, but she dumps him for a surfer. After the man tracks the woman down,he interrups their sex and kills the woman by pulling her plug out.
[[/folder]]

[[folder:Fairy Tales]]
* In ''Literature/EastOfTheSunAndWestOfTheMoon'', the prince is cursed to turn into a bear because he would not marry his stepsister as his WickedStepmother wanted.
* In ''Literature/{{Rapunzel}}'', Mother Gothel throws Rapunzel out into the wilderness, and blinds the prince so they will be unable to find each other.
* In ''[[http://www.surlalunefairytales.com/authors/crane/snowfirered.html Snow White Fire Red]]'', her ogress mother curses her so that the prince she ran off with will forget her as soon as his mother kiss him.
[[/folder]]

[[folder: Fan Works]]
* In the cross-over comic ''FanFic/GrimTalesFromDownBelow'', Minnie screams this at Junior before trying to decapitate him. While she's not actually a ''villain'', she ''is'' under the influence of Him, making her evil at the time it was said.
** For added {{Squick}}, Minnie is Junior's [[spoiler: half-]]sister, so he's as creeped out as the readers are.
* Defying the Odds shows this in a flashback, as Tweety tells Sylvester the harsh promise Tyler made to her when she turned dwon his marriage proposal.
* In Fanfic/RevengeRoad, Hikaru decides to kill Kyosuke and Madoka, angry at Kyosuke for rejecting her and Madoka (to a slightly lesser degree) for stealing him away, and jealous of the happiness they share.
* In the final chapter of Fanfic/ProjectGethinator, Admiral Daro'Xen, who is {{Yandere}} in a big way for Commander Shepard, [[VillainousBreakdown utterly loses it]] after he decisively turns her down and calls her on her crazy scheme and her obsession with him. After realizing that Shepard is in love with Tali, Xen goes into full-on WomanScorned mode, and proceeds to turn the same faulty mineral scanner that Tali's idiot crewman Prazza from the preceding fic ''Fanfic/IngloriousBoshtets'' accidentally used to make a star go supernova on the main star of the Eta Carinae system, causing it to go ''hyper''-nova, making sure to have the Normandy's drive core disabled so Shepard, Tali and the crew cannot escape. Only Shepard's quick thinking and Legion's advanced technical skills get everyone out of there alive.
* ''Fanfic/CalvinAndHobbesTheSeries'' gives this a bizarre and interesting twist:
--> '''Thunderstorm:''' IF I CAN'T HAVE THIS WORLD, ''THEN IT CAN'T HAVE YOU!''
--> '''Andy:''' [[LampshadeHanging Has anyone ever said that before?]]
--> '''Jack:''' I don't think so. That was a pretty good line.
* Played with in ''FanFic/InnerDemons''. When [[BigBad Queen!]][[FaceHeelTurn Twilight]] realizes that her brother is rejecting her [[VillainousIncest advances]] in favor of, you know, ''his wife'', she decides she will kill him along with the rest of the heroes -- but first she's going to make him watch her [[MurderTheHypotenuse kill Cadence]]. Fortunately, the rest of the Mane Six show up in time [[BigDamnHeroes to stop her]].
* ''FanFic/DirtySympathy'' has Daryan attempts to kill Klavier by having him strangled to death when he finds out that the latter is cheating on him another man. Daryan outright states this trope as his reason for not ending his relationship with Klavier when the latter questions why they don't break up if Daryan hates him so much.
* In ''FanFic/MegaManDefenderOfTheHumanRace'', Splash Woman blows up her underwater hideout after losing, saying that if she can't have Mega Man no one will.
* In ''FanFic/HuntingTheUnicorn'', [[spoiler: Blaine's stalker]] Alex threatens to run a concussed [[spoiler: Blaine]] over if his friends call 911.
* ''[[http://archiveofourown.org/works/6713584/chapters/15355759 Mischief Revived]]'':
-->'''Charlie:''' Why Fred? Why try to kill your own brother?\\
'''Ron:''' He can’t have Hermione. I won’t let him. If I can’t have her, neither can he.
* ''Fanfic/TheBridge'': Archmage Saros was Princess Amore Diamante's Court Magician who secretly desired her. When she married a peasant named Bene Lyric and had a daughter, Saros reinvented himself as King Sombra and killed Amore and her husband before taking over the Crystal Empire. He would have killed her infant daughter as well if [[spoiler:King Caesar hadn't rescued her.]]
[[/folder]]

[[folder: Film - Animated]]
* Claude Frollo from Disney's ''Disney/TheHunchbackOfNotreDame'' movie is a rather horrifying example... as he puts it: "She will be mine or she will burn!"
* Part of Lotso's backstory in ''WesternAnimation/ToyStory3''. He and his friends were misplaced by their owner during a car trip, and by the time they found their way home, her parents had bought the kid a new Lotso. Instead of letting his friends go back, he spent the rest of his life trying to make other toys as miserable and jaded as him.
-->'''Lotso:''' She replaced us!
-->'''Woody:''' She replaced ''you''! And if you couldn't have her, no one could!
* In ''WesternAnimation/{{Megamind}}'', this is what triggers Titan[=/=][[spoiler:Hal Stewart]]'s FaceHeelTurn, since he only agreed to become a superhero on the basis that this would attract Roxanne to him. When this didn't turn out to be the case, he begins a city-wide rampage, and [[spoiler:ends up tying her to a radio tower on the top of a tall building]].
* In ''[[WesternAnimation/RainbowBrite Rainbow Brite and the Star Stealer]]'', once the BigBad fails to cature the Diamond Planet for herself, she attempts to ram her ship into it while actually saying the trope name.
[[/folder]]

[[folder: Myth and Legend]]
* The huldra of Scandinavian folklore are [[TheFairFolk a type of fairy]] who appear as beautiful women with cow or horse tails. Although they are often eager to marry, they are also very strict and demanding, and if you even think of turning one down, she will kill you.
* In one version of the Hyacinthus myth, his death isn't an accident. Zephyr grows jealous that Hyacinthus chose Apollo over him, and purposefully blew the discus off-course to hit him. Needless to say, [[EmotionalTorque this version is more popular.]]
* There is a Japanese folktale about the daughter of a village major, Kiyohime. She fell in love with a [[SexyPriest handsome young priest]] named Anchin. The feelings are mutual, but he eventually rejects her and she turns into a serpent. He escapes into the Dojoji temple, but she follows him and burns the place down, before committing suicide.
[[/folder]]

[[folder:Theater]]
* In the final act of the opera ''Carmen'', the eponymous character is killed by the hero for this reason.
* In the opera ''Theatre/{{Wozzeck}}'', the title character stabs Marie to death following this line. (Büchner's play doesn't use the line.)
* The ending of Menotti's opera ''Maria Golovin'' has an extremely jealous Donato attempt this to Maria. Subverted in that he is blind and thus has to ask his mother to aim the gun at her, which she doesn't, instead pointing him in the wrong direction and leading him to believe that he did.
* Éponine in the musical ''Theatre/LesMiserables''. In the song "One Day More," Marius is debating to himself whether to follow Cosette to England or fight with the students. Éponine, standing beside him, practically makes the decision for him by grabbing him by the arm and the two of them running off. A minute later, they are next seen with Enjolras and the other students, and Marius tells Enjolras "My place is here, I fight with you." This is made a ''lot'' more obvious in the revival, back when Celia Keenan-Bolger was Éponine (in the revival, Éponine extends her hand out to Marius, and he quickly grabs her hand and they both run).
* In ''Theatre/MartinGuerre'', the play's antagonist, Guilliame attemtps to kill Bertrande after losing her to not one but TWO Martin Guerres.
* ''Tamamo-no-Mae Asahi no Tamoto'': [[BigBad Prince Usugumo]] lusts after Lady Katsura, but she doesn't return his affection. He is also planning to start a coup against his younger brother, the current Emperor. What does he do? He orders one of his men to steal a sacred sword from the lady's family and then demand them to hand over her head if they want the sword back. [[spoiler: Little does he know the one carrying out said order is Lady Katsura's [[LukeIAmYourFather biological]] [[OffingTheOffspring father]].]]
* Subverted in ''Verve'' by Mark Lucas. A ButtMonkey lawyer finds himself dumped for a vibrator.
-->"If I can’t have her, then no shiny piece of Taiwanese plastic will!"
* [[TheCaligula Nessarose]] from ''Theatre/{{Wicked}}'' reacts to Boq’s rejection of her love by stealing her sister Elphaba’s spellbook and [[LoveMakesYouCrazy cursing him]] to “lose his heart” to her, inadvertently making him ''literally'' lose his heart. Nessa begs Elphaba to save him before the spell kills him, and Elphaba does so by creating a new form for him that doesn’t need a heart to live. The incident leads to Nessarose [[spoiler:becoming the Wicked Witch of the East]] and to Boq [[spoiler:becoming the Tin Man]].
[[/folder]]

[[folder:Tabletop Games]]
* In ''TabletopGame/RocketAge'' if Yathlax the Eye can't have Princess D'larna, he'll kill her... plus some more beside. Needless to say Yathlax, D'larna's former bodyguard, has gone off the deep end.
[[/folder]]

[[folder:Visual Novels]]
* ''VisualNovel/FateStayNight'': Gilgamesh decides at the end of Fate route that if Saber will not submit to him, he'll just rape and kill her. But then again, even if she ''did'' agree his next idea of how their relationship would go would be making her drink the 'black mud' from the cursed Grail. Destroying her mind and giving her physical form.
* ''VisualNovel/SchoolDays'' does this to its main character in at least one ending [[spoiler:and in the anime]].
* In ''VisualNovel/{{Tsukihime}}'', Akiha says something like this in one of the routes, and does her damnedest to kill Shiki.
* In ''VisualNovel/{{Ever17}}'', Sora gets really close to this after seeing Takeshi and [[spoiler: Tsugumi having sex in the gondola.]]
* The Extreme Love Ends for [[spoiler:Shion and Toma]] in ''VisualNovel/StarstruckLove'' have this happen to the heroine.
* The Bad Ends in ''VisualNovel/YandereILoveYouSoIWantToKillYou''. If Subaru makes the wrong choices either in the main story or in the selected {{Yandere}} ending sequence, then he will be killed. But it doesn't stop there; stuff still goes on after he dies.
[[/folder]]

[[folder:Web Comics]]
* There was a really weird version of this in ''Webcomic/DominicDeegan''; when it's revealed that villain [[spoiler:Karnak]] was in a LoveTriangle with Donovan over Miranda, the reason he's been trying to kill Miranda is to hurt him for taking her away from him.
* In ''General Protection Fault'', [[spoiler:Trudy]] says this exact phrase when pointing a gun at [[spoiler:Nick]]'s head after he stated that he could not trust her or return her feelings [[spoiler:upon realizing her role in a wide-reaching conspiracy. In an alternate future, the same scene had resulted in her killing him, but in this timeline, he merely stands there, resolute, until she drops the gun and is unable to shoot him]].
* ''Webcomic/GunnerkriggCourt''. [[spoiler:Diego]] sets up a scheme to fortify the Court in such a way that it simultaneously [[MurderTheHypotenuse murders the hypotenuse]] and subjects the woman who resisted his advances to a FateWorseThanDeath.
* ''Webcomic/{{Spacetrawler}}'' may be the only work to combine this trope with TheOnlyOneAllowedToDefeatYou: Growp's attempts to murder Emily are actually his twisted way of saying he loves her. He eventually [[TakingTheBullet takes a bullet]] and dies to save her from getting killed by the wrong person.
* ''Webcomic/{{Homestuck}}'' plays this straight when [[spoiler:Eridan]] decides to kill [[spoiler:Feferi]] when she defends [[spoiler:Sollux after Eridan KO'd him.]] An unusual case because [[spoiler:Eridan]] wanted both [[spoiler: [[DoggedNiceGuy Feferi]] ''and'' [[FoeYay Sollux]],]] but they both rejected him and hooked up with each other, prompting his murderous rampage.
* Raven Red, toward Harmony Thunder, in ''Webcomic/JetDream''. She specifically wants the [[GenderBender sex-changed]] Harmony back in her male persona as Jack Thunder - [[FirstLawOfGenderBending something everyone else knows to be impossible]]. If she can't have ''Jack'' Thunder, well....
[[/folder]]

[[folder:Web Original]]
* ''Website/ChatoyantCollege'': Paul shows this trope. [[spoiler: In Book 9, Corrie rescinds that magical restraining order. His reaction is to attack Dawn with a stone knife.]]
* In ''WebVideo/DeathNoteTheAbridgedSeriesKpts4tv'', [[VillainousCrush Light says this to L]] [[spoiler: before shooting him.]]
* ''WebVideo/HardlyWorking'': Pat in "[[https://www.youtube.com/watch?v=ujauxisY2s8 My Bloody Valentine]]" plays a possessive sociopath who kills Sarah after previously murdering everyone in the office who flirted with her on Valentine's Day. It backfires on him, as she wanted to ask him out before he stabbed her fatally.
* ''WebAnimation/{{RWBY}}:'' This is Adam's reaction to Blake deciding not to be part of his genocidal terrorist group as well as breaking off their (according to WordOfGod) abusive relationship. He swears to destroy everything she loves. [[spoiler: He starts by cutting off Yang's arm when she tries to rescue Blake from him.]]
* PlayedForLaughs in ''[[https://www.youtube.com/watch?v=7kDdlHTPZCY Golden Time Forever Online]]'' when Koko threatens to kill Mitsuo, learn necromancy to revive him, kill him again, revive him again, marry him, and live off of his life insurance money. In that order.
* ''WebVideo/TheVeronicaExclusive'': This is probably the reason Jane threatens to murder Veronica (along with the rest of the school) after Veronica breaks up with her. She alternates between desperately trying to sweet-talk Veronica into coming back to her and screaming about how she's going to kill her, and it is ''creepy''.
[[/folder]]
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