Copied from https://desuarchive.org/mlp/thread/34941954/#q34971129
<Original author is Anon>
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Prompt:
That's pretty interesting.

Teen Anon gets transported to equestria.
Celestia and Luna, appalled that something to clearly devoid of any tender loving care could exist, send him straight to Cadence and Shining to receive emergency lessons in receiving love and giving it.
They become like parents to him, the best parents anyone could ask for, involved, wise, generally virtuous in all aspects, & hands on.
Life is great, and Anon is on the road to becoming a great man.
However, the much mentioned but absent teenaged Flurry Heart finally returns for summer break from Canterlot boarding school.
Living in such a toxic environment surrounded by horrible ponies allowed for hate to seep into her psyche.
A psyche that constantly has to withstand massive amounts of magical power as a result of being a princess.
When she comes home, she latches onto the best thing that she's seen since she left that isn't blood related to her.
She now associates Anon with all that's good in the world.
Cue clingyness & possessiveness out the ass.
Cadence is conflicted, Flurry Heart does genuinely love Anon, and he is helping her rehabilitate, but she shouldn't be so dependant on him and her love manifests in unhealthy ways.
Flurry Heart doesn't care what her mom or anyone else thinks, as far as she's concerned they could all die in a fire.
All she wants anymore is to love Anon.

--

"Whoever it is can I meet them later Mom? I'm really tired from the ride home and just want to rest in my room."
>"Now, now, Flurry, this is a very important person, and I think you'll like him!"
>Ugh, that's the tone she uses for big shot diplomats and nobles.
>If you have to smile and shake hooves with one of the sick fucks who run this kingdom you might throw up.
>Mom takes your silence as compliance, and continues, "Meet your new step-brother, Anonymous!"
>"Huh?"
>A weird bi-pedal creature that vaguely resembles some cross between a diamond dog and gorilla enters the room.
>It's wearing a full set of clothes, but that's not what captures your attention.
>What gets your attention is it- his face.
>Completely fur-less, compassionate eyes, and a smile only rivaled in warmth and kindness by Mom.
>Your social training kicks in and you manage to close your mouth before too much time passes.
>Mom explains all the circumstances surrounding your new family member and it makes you hate the world all over again.
>Before going to that prep-school you'd wonder how anything could be so cruel.
>Now you're wondering how he survived it all.
>"Um... nice to meet you, I guess you're my sister. I hope we can get along."
>His voice is soft and caring, and it makes you want to listen to nothing else.
>You realize with a start that you haven't responded and that Mom is chiding you, but then-
>"It's ok Prince- um, Mom. I'm sure she's just tired, and this is a lot to take in after all."
>You're shocked once more.
>At the school any sign of weakness or social shortcoming was mocked viciously and instantly.
>You were the daughter of a princess so nothing was said or done to you directly, but you could still here their whispers.
>See those disdainful glares.
>But he just...
"Sorry, you're right, I'm just tired. I'm Flurry Heart. I guess I should call you my Big Bro?"
>Big Bro scratches the side of his in embarrassment.
>This is clearly awkward for him as well.

>"I'm, uh, actually younger than you."
>Ohmygosh what?
>But he's so tall!
>He's almost bigger than Mom!
>Mom giggles and says, "Anonymous is a human, and they can grow up to be even more than 6ft tall from what he's told us! You two seem to be getting along, so why don't you go play somewhere? I have to help with dinner. It's your favorite sweetie!"
>The thought that you'll be having your favorite meal, made by your mom herself is almost entirely eclipsed by the concept of spending time alone with Big Bro.
>You're still gonna call him Big Bro.
>It'd be weird for him to be your little brother when he's that tall.
>Mom walks off and now it's just the two of you.
"Um, do you wanna come to my room?"
>Ohgosh why'd you say that?
>You can't just invite a boy to your room the first time you meet!
>But... but he's your brother, so it's ok, right?
>Yeah it's fine to invite Big Bro to your room.
>Well not that he'd accept any-
>"Sure!"
>He said yes!
>It takes an immense amount of willpower not to jump in happiness.
>You magic your bag alongside you and lead Big Bro through the winding halls of the castle to your room.
>Neither of you say anything.
>Big Bro is probably just being polite, but you're way too nervous.
>What if you say something awkward or stupid and he doesn't like you?
>I mean Big Bro obviously isn't like those ponies at school, but you still can't risk saying something stupid!
>But you wanna talk to him and hear his dulcet tones again!
>As your mind goes in circles on this issue, you arrive in front of the door to your room before you know it.
"W-well here we are!"
>You idiot, why'd you stutter?!
>You said it in your head like 20 times just fine, so how come you can't say it normally just one more time?!
>"Oh, so this is why Princes- uh, Mom said not to come to this part of the castle. I guess she didn't want me wandering into your room on accident."
>He either didn't notice you stutter or is too much of a saint to point it out.

>You make a mental not to thank Mom for not letting him into your room later.
>You open the door for him with, what you hope, is a friendly smile.
>You would've died from embarrassment if he saw your-
>"Woah, that's a lot of dolls."
>Ohgoshnonono, no, no, NO!
>It's over! Finished!
>Your entire doll collection is on display!
>They're even propped up and posed around the room!
>Mom must've set them up like this as a sort of welcome back gesture!
>Big Bro walks into your room and you're too stunned to stop him.
>He picks up Mrs. Fluffy and tears well up in your eyes.
>It's all over.
>He's gonna think you're a childish idiot.
>He's gonna think you're dumb for still liking dolls at your age, he-
>"Wow, they're so pretty. Are all of these yours?"
"Y-yes."
>You idiot!
>Why'd admit to it?
>You should've said that some of them were from other kids!
>Lying is bad, but the thought of Big Bro not liking you is worse!
>Your one opportunity to salvage this and-
>Did he just call them pretty?
>"That's amazing! I can't believe you how so many dolls, that's so cool!"
>Big Bro is looking around your room in amazement now.
>Did he just indirectly call you amazing and cool?
>You walk into your room, closing the door behind you.
"You like dolls too?"
>Big Bro stops looking around the room in wonder and blushes in embarrassment.
>Ohmygosh, he's even cuter when he blushes.
>"Y-yeah. I like dolls, but back on Earth my parents never let me have them, and the other kids always made fun of me for it..."
>Your heart mourns for him, just the memory of what his life was like makes him look so sad.
>It makes you want to just lock yourself away with him forever and keep him safe from everything.
>You quickly trot over to him and pick up the doll he dropped with your magic.
>You hold it up to him.
"Th-This is Mrs. Fluffy! She runs a bakery with her husband Mr. Fluffy, and is very good at knitting!"

>Big Bro stares at you and Mrs. Fluffy for only a few seconds, but it feels like an eternity.
>Then he grins, "Wow! Do all of them have names?"
>You nod excitedly.
>Time flies as you and Big Bro play with your dolls.
>You have... a lot of them.
>They were... are, your favorite toy, and when some noble found out you started getting gifts of them by the dozen.
>You thought they were just being nice at the time, but now you know they were only doing it to get in your mom's good graces.
>A small part of you had been dreading coming back to all these reminders of how horrible so many ponies are, but playing with them with Big Bro makes it all Ok.
>At some point Big Bro noticed you looking kinda sad when picking up certain dolls and asked about it.
>You tried to just play it off at first, but he kept asking and eventually you gave in.
>You told him everything that happened at school.
>The bullying, the name-calling, the harassment, the lack of interference from the teachers, the list goes on.
>As you say everything Big Bro just sits there.
>You don't have the mental capacity to try and analyze him and you don't want to.
>All those horrible memories you've fought to suppress are rampaging through your mind and you fall to the floor in tears.
>No sooner have the floodgates broken than do you feel two strong arms wrapping around you.
>You don't even register at first that Big Bro is hugging you.
>When you do throw yourself into him and he holds you tight while petting your mane.
>He's so warm.
>Feeling his embrace around you makes you feel safe.
>Like Mom did when you were little, but... even more so.
>You can't fully describe it, the feeling is like nothing else you've experienced.
>Big Bro strokes your mane until the tears stop, and then keeps doing so afterwards.
>The fatigue from the long ride home, worrying about Big Bro liking you, and the stress of that horrid school hit you all at once and you fall asleep in his arms.

>When you come to you're still in his arms
>Big Bro is fast asleep himself
>Somepony must've come by and given the two of you a blanket and pillows
>The pillow meant for you is thrown off to the side.
>You blush as you realize you must've clung to him even in your sleep.
>As you rest against Big Bro your thoughts begin to wander
>First to how lucky and blessed you are for Big Bro to be part of your family now.
>And then to what he said about his old life.
>What he went through sounded 10 times worse than anything you saw at school
>While playing with him you noticed he was constantly hesitant.
>Restraining himself.
>The memories of what happened to him when he got too "cocky" must've been plaguing his mind.
>A firm determination slowly takes hold of you.
>You won't let that happen to him anymore.
>You've seen how horrible the real world is, and Big Bro has experienced even worse.
>So you're going to shower him with love and affection and be the best sister ever!
>You'll give him all the attention and care he could ask for, and won't let anything bad happen to him!
>But what if a bully comes along and tries to do something?
>What if something happens when you're not around?
>As much as absolutely want to, you can't be at Big Bro's side 24/7.
>What if somepony hurts him while you're away?
>Big Bro groans in his sleep and you realize you were holding onto him too tightly.
>You relax your grip and snuggle against him until he's back asleep.
>He's so cute.
>The answer dawns on you.
>If something bad happens to him despite all your efforts, then you just need to get rid of the bad thing.
>If you remove the source of the issue, then it can't pop up again.
>You can't believe this didn't occur to you before.
>It doesn't matter if the bad thing is a bug, an object, or even a pony!
>You'll eliminate all obstacles for Big Bro because you love him.
>You'll make Big Bro happy.
>Only you, can make Big Bro happy.
>You'll get rid of anything for Big Bro.
>All in the name of love.

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![Hug]https://desu-usergeneratedcontent.xyz/mlp/image/1581/46/1581467198157.png