There was only one thing Zack desired more than anything else in the entire world, and that was to physically become a toddler again. He wanted to return to the depths of his youth, to that tender point of transition when he was still considered a baby and was in the midst of leaving his diaper days behind. Except in Zack's case he wanted to go back to wearing and using the garments full-time. He wanted to pee and poop in them and then have someone else change him...his mother perhaps or another member of his family. Zack alway thought if he became a baby again then maybe his family would treat him better, though he wasn't holding his breath. At the very least his mother couldn't beat him or make him do chores, not unless she wanted to get arrested for child abuse. Realizing his thoughts were turning grim Zack decided not to waste any more time and voiced the words that would forever change his life, hopefully for the better.
"I'm a three-year-old toddler!" he said triumphantly.
His heart hammering inside his chest in excitement Zack felt the magic take hold and initiate the regression. It was just like he imagined it would be like, the world around him becoming bigger as he grew smaller, feeling his limbs shorten as a small amount of baby fat returned to them as baby teeth did to his mouth. Around him his room changed, becoming one more befitting of a young toddler boy. His furniture became more colorful and childish, with his bed turning into a racecar one. A toy box filled with age appropriate toys appeared right beside his dresser. Feeling his clothes changing Zack turned his attention to them just in time to see his shirt morph into a child-sized one while his pants vanished. His underwear was still in the process of shifting from cartoonish briefs to something thicker and absorbent. Zack grinned seeing his underwear transform into a pair of training pants. However his grin faded when the padded garment didn't devolve further and become a diaper. It must have been because he made himself too old, though he had hoped he had been one of those kids that had been late to train. That was why he made himself three, he wanted to be one of those older toddlers that people secretly wondered why they still did their business in their pants. Given the fact he was in training pants his parents were definitely trying to teach him to use the potty.
Hope arose within him as Zack thought that maybe he wasn't that far along in his potty training. Toddling over to the dresser he managed to pull open the bottom drawer, thinking he might find some diapers kept on hand in case of emergency. His hopes were subsequently dashed when he discovered it contained only packages of Pull-ups. Closing the drawer with a pout, Zack crossed his arms as he silently pondered what to do about his current diaper dilemma.