Time waited for nopony, as they say. One can't simply ask for time lost and expect to get it. You need to make the most out of what you have for the moment. You need to realize what you have won't be there forever.

This didn't apply to Rainbow Dash. Because she was fast, she could beat the clock... she also happened to have the ability to manipulate time, simply because nopony else is awesome enough.

She first used this power to change the past so she could keep eating sweets from Sugar Cube Corner. WILL SHE CONTINUE TO BE SELFISH?

As Rainbow continued eating, the calorie meter started to fill up.

Up and up it went, until finally bursting through its restraints. Free at last! Calorie Meter was free! No longer trapped within the confinements of Rainbow Dash's eating habits!

Rainbow turned into a fluffy, mutlicolored marshmallow.
She was the awesomest candy, and all the other candies were jealous

Suddenly Luna and Pinkie Pie appeared, decked out in their swaggiest swag.

"Moon Pie is, and always will be, awesomest candy," Pinkie challenges the giant marshmallow in front of her. "We challenge you to... an eat-off!"

rainbow didnt respond, because as a marshmallow she lacked both ears and a mouth.

"That's what I thought!" said Pinkie Pie, proceeding to eat Rainbow Dash. Dash had an unusual taste, she was chewy, yet quite tough. Now with no competition, Moon Pie truly was the awesomest candy.

Meanwhile Calorie Meter was planning something...