good question! probably because someone is letting them get away with it
https://www.inmateaid.com/ask-the-inmate/why-do-inmates-go-off-on-their-boyfriend-girlfriends-when-they-can-39-t-send-them-money-and-start-accusing-them-of-different-things-to-the-point-of-telling-them-that-its-over#answer
Accepted Answer Date Created: April 03,2020