Rarity admired herself in the mirror. She had made it a personal goal to grow old gracefully, but that didn’t mean she had to grow less fabulous! Her eyes were still bright, her mane expertly coiffed. She turned to the side to inspect her figure. Something alarmed her about her stomach. It might be her imagination, so she flew down the stairs to her husband to be sure.
“Do I look fat to you?”
Spike had been married far too long to fall into a trap like this. He poked his head up from his newspaper and looked her over. Her stomach was significantly larger than it was two weeks ago.
“You look fine dear.” While he had grown taller over the years, Spike hadn’t truly aged a day in all that time. This drove his wife crazy, as you might imagine. He had taken to wearing cardigan sweaters and spectacles. That seemed to help. This would happen occasionally; Rarity would panic about her appearance, but a few months in the gym (followed by the spa each time) would bring things back to status quo.
“Do not just ignore me! Look at me! I’m a monster! My stomach has ballooned! I look...”
The two exchanged a pregnant stare.
Rarity stood in the examination room waiting for the doctor with her husband. She had all but given up having a child. Her friends had all gone off years ago and married, raising foals of their own. She would often babysits the rugrats, always “Auntie Rarity” but never a mother herself. She wasn’t regretful, just a bit sad at the turn of events. She loved her husband very much and he took great care of her, showering her with gemstones. They even had their 15 minutes of fame being the greatest thing in fashion. There was a cover of Trotting Stone with Spike curled around her with a jeweled collar and leash. Children would always have to wait. But when SweetieBelle finally had her first foal, she realized it was time to give up the chase.
The doctor eventually came in, and he didn’t have good news. The ultrasound did confirm that there was a dragon egg growing inside her.
“Then it will hatch after I .. . er.. lay it, right?” said Rarity, hopefully.
“You see, whatever you have growing inside you, it won’t hatch. The DNA of dragons and ponies is too different.”
Rarity rebutted, “Then where do Draconequus come from?”
“Yes, well, Draconequus are creatures that appear to be part dragon and part pony, but there is no genetic pairing of the two.”
“But surely there must be a way to magically hatch the egg?” begged Rarity.
The Doctor pushed up his glasses. “That egg will be half you and half your husband, but it won’t be complete. The chances of it hatching are a million to one. Even if it does hatch it will be genetically inferior and sterile. It will be a mule.”
The Doctor turned to the town mule, who was sitting to his left just outside the window. “Er, no offence.”
The mule nodded affably. “None taken.”
Rarity’s heart sank. It seemed like the dream of finally having a foal was fading fast.
The weeks drove on and Rarity eventually laid the egg. It was a very loud an messy affair that we won't go into here. It was round and perfect had a multicolored metallic sparkle in its shell. She doted on that egg night and day, but it wouldn’t hatch. They brought it to the doctor to do an ultrasound of the egg, but the results were inconclusive. "I'm sorry, but we just don't know enough about dragons."
"To heck with all of you! All this egg needs is it's mothers tender loving care." And so Rarity brought the egg home and built a nest for it in their bedroom. A fabulous nest with ribbons and sequins. She slept on that egg everynight, much to the chagrin of her husband. Spike would join her some nights, but it wasn't the same. There was something amiss about that egg.
Spike was at first very supportive, but over several months things started to change. Rarity stopped going to fashion shows, and eventually stopped leaving the house at all. The egg became all she talked about. She even stopped reading her fashion magazines. When her friends would come over, the would refuse their visits. "Honey, I think we should get rid of the egg."
Rarity was shocked. She grabbed the egg and held it close. "Are you mad! This is a living part of me! And of you!"
"I know this is hard for you to accept, but this is not to turn into a child. We've been over with the doctors. There is not medical way that egg can hatch."
Rarity was defiant. "If there is not medical means, I'll take this to a higher authority!"
From there she spent the next seven weeks traveling to every magic unicorn in Equestria. She consulted the most brilliant of magic users, including a descendant of Starswirl the Bearded. Even Trixie go her shot. None of the spells worked. She brought Twilight Sparkle and even Princess Celestia to cast an egg-hatching spell, but to no avail. The weeks droned on, but the egg remained unchanged.
Things started to get very cold in the Carousel Boutique where they lived. Rarity would spend days locked in her room with the egg, not eating or sleeping. She would sing to it, and read it stories, but still it would not hatch.
Spike had to take matters into his own claws. Lightning and thunder hid his movements, and he invaded Rarity’s inner sanctum. Rarity was sleeping, curled around the egg. Spike knew what he had to do. Heralded by a great thunderclap, he grabbed the egg and hurled it to the ground, shattering it across the floor. Rarity woke at the last moment. “No, for the love of Celestia, don’t!”
Spike reached down to inspect what was left of the egg.
“Hey! Wait a minute! This egg is filled with marshmallow!”
And that’s how Cadbury Cream Eggs were made.