While 50 Cent has achieved plenty of goals in his career and personal life, there is one thing he was never able to do: be a girl-dad like longtime pal Eminem. “I wish I had a daughter,” he confessed in a new interview. “I do. I wish I had a daughter.” While the NYC native, 49, is a dad to sons Marquise, 28, and Sire,12, he noted of parenting a girl: “I wish I had that [father-daughter] relationship. For female children, their dad is the first man they fall in love with. Male children go to their mom; I’m a mama’s boy myself.” The Power executive producer then brought up the “Real Slim Shady” …