Okay so I played with this Idea plenty of times until I started crying and figured this would be the best one to post. Me being in love with GF couldn't help it I had to post this before the last bitter sweet episode... It hurts soooo much man! This is an Au, the weirdmageddon hasn't happened.. yet :)

I don't own Gravity Falls in any way shape or form all credit goes to Alex Hirsch


Growing Insanity

Mabel screamed chunking the walkie talkie at the wall causing the batteries to fly out rendering it useless. She couldn't help her anger at the moment, her friends couldn't make it to her party and her dreams of the perfect high school life was shattered! Pulling out her scrap book her fingers brushed the small amount of excess glitter off of the corner.

Before she could unleash another scream of frustration, an elderly man walked through the door," Grunkle Stan?" He smiled at her sheepishly as he closed the door behind him, he walked close to her and knelt down," Hey kiddo, I know things aren't going the way you planned but at least you'll always have your brother, not everyone can say that."

She immediately smiled pulling him into a death grip hug," Thanks Grunkle Stan!" He smiled back and left the room, she pulled her scrap book to her chest as she beamed brightly over to Dipper's side of the room," Good ole' Dipper.."

Skipping over to her bed she pushed the heavy book back under her bed and flopped down in it, it had been a long day and she wanted no more than to take a really long nap.


Dipper walked into the room he shared with his sister a smile that could rival Mabel's clear on his face, wait till he told her the good news! Looking over to her side of the room he couldn't help but pout seeing her asleep, he'd just have to tell her tomorrow. He slipped off his shoes as he crawled into bed, knowing he wouldn't be able to sleep he took out Journal number 3 and flipped to the blank pages in the back, eagerly he scribbled out the existence of aliens and their genetic properties of self sustained life.

He rubbed his eyes and looked out the window, time had flew by and it now looked to be around twelve, shoving the journal under his pillows he allowed himself to be taken under with dreams of exploring the unknown next to his great uncle Ford.

.

A week had passed by all to soon and Dipper hadn't had the time to break the news to his sister that he wouldn't be going home with her. He glanced out the window where she was rolling around on the ground with waddles, he'd tell her today, he decided.

His heart clenched at leaving his sister, they'd never been separated for more than a couple hours tops, it did hurt but a part of him felt over joyed at the thought he was growing up, it had felt like he would stay a kid forever. He allowed another smile to creep up on him as he looked at the letter on the table, it wasn't just any letter, oh dear heavens no, it was the letter that his parent's wrote exclaiming their happiness that he'd be learning from a man with three degrees.

His parent's were just getting back from a cruise and as soon as they docked they'd be waiting at the trainstation back at home for Mabel. They'd be able to comfort her, it's not like she depended on him, she'd go home back to her old friends and have one of the best high school lives ever, then she'd come back and nag at him for not being there to experience it with her.

He pulled on his cap as he ran outside to his sister, he would make sure she enjoyed the day before he told her.


She could hardly contain her excitement as she dragged Dipper into the Gravity Fall's High School gym, inside Soos, Grunkle Stan and Great Uncle Ford, Wendy, Waddles and a very reluctant Pacifica waited inside.

Dipper was also excited in his weird serious way, she could tell. She was wearing her special sweater, a new one she had made that was a bright pink with her and Dipper standing side by side on a giant 13.

Balloons and streamers hung from the high ceiling and confetti danced around in the air. Large tan arms wrapped around both her and Dipper pulling them in a crushing hug," Dudes! Were were like, waiting forever!"

Dipper laughed as Soos tripped over his own feet and landed the three of them in a huge ball pit, something that Mabel spent all her money on, and boy was it worth it.

Soon after Grunkle Stan had came and scowled Soos for hogging the twins and he ushered them to the gift table, where he made them open his present first. Dipper poked at his box warily, and she, not waiting for him shredded the paper quickly.

Mabel let out an incredibly high shriek as she tackled Grunkle Stan in a bear hug," Thank youThankyouThankyou!"

He smirked happily as Mabel hugged the very expensive glowing, bright neon pink material to her chest. Dipper shouted cheerfully as he picked up a dark blue book, almost identical to his great uncles. With the exception of a golden pine tree instead of a six fingered hand.

He turned to his care taker a rare full smile on his face," You're welcome kid, I figured you'd wanna have your own journal, ya' know for all the weird junk you can find back home."

Dipper's smiled faltered as he heard his grunkle, had great uncle Ford told him about him staying? He'd worry about it later, he was full set on giving his sister a good birthday after all.

They'd eventually unwrapped all the gifts, Mabel had ended up with the most up to date, expensive Bedazzler from Pacifica, who after she gave it had ended up with a bright red face from Mabels death hugs, Soos had gotten her a signed autographed shirt from the show K'er Pranked, and great uncle ford had given her a small golden shooting star necklace.

Dipper on the other hand had ended up with several Pine tree related things that most had some sort of monster related thing on them, and he nearly died when his great uncle Ford gave him his watch, it wasn't just a run of the mill watch though, it could detect heat signatures for miles and plenty of other things that he couldn't wait to try out.

Wendy, not following any of the lines, had given them both a matching red flannel shirt, a gift to remember her bye, it was very thoughtful, but at the same time another wave of guilt had crashed over him.

He had gotten it forced down in time for the cake, he and mabel sat behind it and looked at the small candles sitting on top, taking his sister's hand his they blew out the candles on three, Mabel rubbed of a tiny bit of icing and humming in delight, she grabbed the knife and divided the large multi color cake into the right amount of pieces, although none of it was actually eaten as it had broken out into an all out food fight. By the time five o'clock had rolled around they were all covered head to toe in cake.


Everyone had eventually came down from their high and now held a somber expression, Wendy and Soos had to leave and each set of pine twins had cleaned up. The pines family were all set out on the porch watching the sun slowly set, Mabel who had sat in Grunkle Stan's lap had finally realized she was the only one with a suitcase.

She had faced Dipper with confusion written on her face," Hey bro-bro, you should probably go get your stuff from inside, look, the bus is already coming up the road."

She frowned as she got up, her grip on Stan loosening with hesitance as she scooped up her luggage. Dipper sighed as he got up, he watched as she hugged both great uncles with tears in her eyes, Ford had looked everywhere but at her, guilt very evident. Grunkle Stan however had mirrored Mabel, tears threatened to break from his eyes, although his pride had stopped them from spilling.

"Mabel.. There's something I have to tell you." She let go and walked over to him, they were now slightly standing away from the older twins, and close to the bus sign.

Mabel tilted her head awkwardly," What's wrong dipper?"

He looked down as a he chose his words carefully," I'm, i'm not going back with you Mabel, i'm staying here with great Uncle Ford. Mom and Dad agreed that it'd be good for me to study under him, you understand right?"

He had waited for a reply, but none came, the bus pulled in behind them as Mabel just stared at him, she didn't blink and her eyes searched his for a lie," What are you talking about bro? You're joking right?"

This time it was his turn not to answer, instead he reached into his pocket pulling out the letter from their parent's, wordlessly she took it from his hands and scanned over it, there was no doubt, it was her mother's handwriting. Her eyes closed as tears rushed forward, she tried to hold them back, but it was useless. She opened her mouth to try to convince him to come with her, or, or, something!

Her chest rose and fell faster, her head spun and she felt like she was going to vomit," Dipper are you serious!? You're leaving me?" Her hand grabbed tightly onto his vests collar," Don't you even care?! You're staying for adventures over your own SISTER?!"

Dipper raised his hands in a universal calm down," Mabel think about it! It'll be great for me and, we can always call or write to each other!"

Mabel punched him in the face, leaving him absolutely shell shocked," I don't want to call or write dipper! It's not the same! If it's so great for you what about me Dipper? We're twins! And all we have is each other!"

Dipper felt anger creep over him," Is that all you think about?! You? Mabel this is my chance, please for once just support me on this!"

She shook her head frantically," Dipper please, whatever great things you can find here, we can find back at home too! We can be together just like normal! You promised! Please bro- I.."

He shook his head," Mabel just listen to yourself, you're acting crazy! We can't be together forever, we'll have to split up sometime, it's just.. sooner rather than later!"

She shook as she pushed him to the ground," Fine stay here for all I care! I don't need you anyways!"

An awkward silence followed as the driver of the bus coughed," If you two are done with all the dramatics, you either board or you don't."

Dipper growled as he pushed her forcefully onto the steps of the bus," Fine! Leave, I don't need you either! Leave and never come back!"

The doors slowly hissed as they closed, Mabel's eyes were as wide as saucers as she stared at him, her mouth agape. Dipper was also shocked with what he said, although his anger didn't allow him to show it. He mentally berated himself as he watched the bus leave, why did he say all that?!

Vaguely he could hear his uncles behind him, Stan was screaming at Ford, they were fighting he knew, but he couldn't take his eyes off the dust the bus had kicked up. He swallowed the lump in his throat as he turned to face his uncles, Grunkle stan had the upper hand, fueled by rage he was delivering brutal kicks to his brother, he had only stopped once a picture fell from his pocket, it was the picture of all three of them, the day they went fishing, he had found it and taped it back together. His eyes lingered on the photo before he looked back at Dipper and Stanford in disgust, he turned and ran back into the house.

Dipper had made a huge mistake. He just wished he had been the one to suffer from it.


An update for my other stories will be up later today, so please don't murder me.