NEW YORK – Need some dating tips? Ask Usher. The R&B singer, who is starring in his first lead role in “In the Mix,” shared his secrets with Time magazine. “Women love compliments, you know what I mean? Buy her a drink,” he said. “Talk to her about whatever it is that she wants to talk about. As long as you keep her laughing, you got it.” The film features the 27-year-old musician as Darrell, a playboy New York City disc jockey who finds himself in an interracial relationship with co-star Emmanuelle Chriqui