Jennifer Lopez is said to be “desperate” to save her marriage to Ben Affleck to avoid the public humiliation of a fourth failed marriage, RadarOnline.com has learned. Less than two years into their marriage, J Lo and Ben are at the center of divorce rumors claiming the $550 million split is near. It was an incredibly awkward moment when a reporter at a press conference for J Lo’s new movie, Atlas, asked her in Spanish if the “rumors” about her split from Ben were “real,” she responded first by laughing. Then, as her co-star Simu Liu tried to shut down the line of questioning, Jennifer leaned f…