Discord doesn't need to pay for rent, doesn't need to buy food and so doesn't need a job. Fluttershy thinks otherwise, forcing the mischievous Draconequus to go and find employment to keep himself busy. By chance, he finds work as a food critic, and becomes rather proficient. Much to the detrimental effect of the nations waistlines.
This story contains-
Fat - From chubby to immobile blobs
Weight gain
Gas - Belching and Farting
Slob
Mind alteration