“I just feel very disappointed with myself," Mary said after learning her son had been using substances since he was 16 Mary Cosby is letting viewers watch her navigate a challenge she never ...

During a recent interview with Vulture, the Real Housewives of Salt Lake City star Mary Cosby revealed who reached out to her after the show aired an emotional scene where her son, Robert Jr ...

Related: RHOSLC's Mary Cosby Sobs During Heart-Wrenching Conversation with Son After He Reveals Drug Addiction: ‘I Let Him Down' Bravo; Kevin Mazur/Getty Images for Savage X Fenty Mary Cosby and her ...