Watch: RHOC's Emily Simpson Emotionally Details 10-Year-Old Son's Rare Eating DisorderEmily Simpson is sharing a major update on her son Luke's health journey. Several months after detailing her 10-year-old's struggles with developmental and behavioral issues and the eating disorder known as ARFID, The Real Housewives of Orange County star emotionally recounted the difficult journey that finally led to a recent medical diagnosis. "It's very complicated," Emily shared during the Bravo series' season 19 reunion Nov. 6.