‘At home, Still and his wife, Liz, share a philosophy. “The secret of staying young is always having one in diapers,” he said. Think they don’t believe that? The Stills have 11 children: Afa, 19; Niko, 18; Aquina, 17; Meleana, 17; Luka, 16; Lanai, 15; Usala, 12; Kalani, 9; Valia, 6; Esaia, 3; and 14-month-old Faitasi.’