Robert De Niro’s sweet baby girl takes all his problems away. In a new interview for the February/March 2024 issue of AARP The Magazine, the 80-year-old actor opened up about life with his and his girlfriend Tiffany Chen’s 9-month-old daughter, Gia. “Everything that I’m consumed with or worried about just goes away when I look at her,” the Killers of the Flower Moon actor expressed in the interview published online on Thursday, January 25, noting, “it’s wondrous.” “When she gets older — who knows?” quipped De Niro — who is also the father of six other children between the ages of 12 through 52…