The Real Housewives of Salt Lake City star Mary Cosby was not afraid or ashamed to discuss her son Robert's substance abuse issues before his unexpected death. "Robert was, like, the perfect child. He was very good in school, he got straight As. All the way up until he graduated," Mary said in a RHOSLC confessional, which aired in November 2024. "When he set his mind to do something, he did it. He was, like, our prize. Very smart, very advanced. That's the Robert I know. That's the Robert I'm trying to reach.