The Compendium of Bheḷa 6.11.16

6.11.16

bhukte bhukte kṣudhāpyasya jāyate na ca puṣyati | atyagniriti taṃ vidyāt sa ca duḥkhatamaḥ smṛtaḥ ||

and after every meal hunger arises in him and he is not nourished; / one should know that as excessive fire, and it is considered exceedingly difficult [to endure].