From The Aesop's Fables : The Swollen Fox

A hungry fox found large amount of bread and meat in a hollow tree, which some shepherds had placed there till they returned. The fox was so happy that he slipped in through the narrow opening and greedily devoured everything. But when he tried to get out again he found himself so swollen after his big meal that he could not squeeze through the hole, and he started whining and groaning over his misfortune. Another fox, happening to pass that way, came and asked him what the matter was; and on learning what actually happened, said. 'Well my friend, you are all right and you just have to stay where you are till you shrink to your former size, you'll get out then easily enough.'