A person realises that, if boobs are just glorified fat reserves, then they just need to eat enough to finally grow the pair they always wanted!!
Too bad their body has other plans...
The logic was sound and there was ample evidence. Cathy had seen the pictures! She didn't mind being a little chubby (she actually enjoyed the 'soft and curvy' aesthetic) as long as it gave her a pair of huge, bouncing, wobbling, shirt-stretching, bra-busting tits. Pictures of women who fit that exact body type made up most of Cathy's media consumption between the hours of 10pm and 2am. Her own C cups were nice, but to be that big, that busty, that sexy and feminine... She'd eat anything.
But for all of the calories, all of the family-sized meals, all of the long nights spent snacking and gorging under the cold light of the TV, Cathy had only gained a single cup size.
That isn't to say that she hadn't gained elsewhere, though.
It turns out that college gymnastics and dietary discipline were the only things protecting Cathy from an absurdly pear-shaped figure. Her body sent every spare calorie, every spare bit of fat directly to Cathy's hips, thighs, and ass. She had come to loathe attempting to put on anything tighter than sweatpants as her growing, swelling backside threatened to (and often did) burst seams and rip fabric wide open. Her ass just refused to be contained! She used to love using her feeding as an excuse to go to nice restaurants and order half the menu, but now she found herself struggling to fit into her nice clothes and, after an incident where her widened hips had gotten stuck in the arms of her chair, she almost completely resigned herself to eating at home. Even that could be overwhelming as she was made more and more aware of how much of the couch her huge, growing ass occupied. Hearing the couch groan and creak under her made her cheeks red and filled her with shame and embarrassment, though luckily she already had a sugar-filled, calorie dense way of dealing with that shame.
The slow growth of her bust was just tantalizing enough to dissatisfy her but also keep her pushing for more. It was working, however slowly, and she couldn't give up now. She needed the massive tits that she idolized and she'd do anything to get them, even if it meant having to turn sideways to fit through doors or taking up her entire couch! Which, as every glance in her full-length mirror reminded her, was closer than she might have liked to admit.
