Drew Barrymore is thinking about her own complicated childhood when it comes to raising her two daughters, 8-year-old Olive and 7-year-old Frankie. The 46-year-old actress recently had a candid conversation with Demi Lovato for Lovato's podcast,, and explained why she's all about setting healthy boundaries with her children.Barrymore grew up in the Hollywood spotlight and her mother, Jaid, put her in rehab and then a mental institution when she was a teenager.