What does Ben Affleck really think of wife Jennifer Lopez’s latest passion project? According to a source, the Good Will Hunting alum has been worried about how the public will perceive his lover’s new documentary, The Greatest Love Story Never Told, a film based on the duo’s 20-year journey back to one another. Despite his public support, Affleck, 51, allegedly does not understand why the actress, 54, would spend upwards of $20 million of her own money to share their personal life. “Ben has gotten very good at biting his tongue, but it’s known that he’s not happy at all about J.Lo’s endless n…
