Hello there, my english is very bad, but i´ll try it.
That´s a Argentinian comic (Negro Blanco Vol 8-9) this character is Floppi, she started to gained weight when suspect that her boyfriend (El Negro) was going out with other girl (Context: Floppi is sending to other country for 3 month, and El Negro need has sex). When she arrive, she call to El Negro.
Her coworker is Cococha, she says her El Negro is with other girl, and she offer her help to avoid that El Negro has sex with other girl just if Floppi pay. But Floppi late, in this "late" Cococha tell her "stop to eat", but Floppi is nervious and finished to gain weight in one day.
https://bigcartoon.org/wiki/El_Negro_Blanco (the comic continues)