Last week, Jeremy Calvert accused Leah Messer of cheating on him in a series of vicious tweets.
Leah denied cheating, Jeremy seemed to believe her, and the whole ugly incident seemed to blow over.
Now, however, sources close to the couple say Jeremy still wants to end his marriage, and may have just been using bogus cheating rumors as an excuse to jump ship.
Friends of Jeremy's say he's fed up with Leah's prescription pill addiction and has made up his mind to leave. "He doesn't have an exact timeline, but he's done," says one source.
While Jeremy's friends and family are reportedly siding with him and encouraging him to leave Leah (after obtaining enough evidence of bad parenting to secure sole custody), the Messer family sees Calvert as a manipulative user and they've taken to calling him out on social media: