Ben Affleck “Has a Darkness to Him” That Impacted His Marriage to Jennifer Lopez, Sources Claim

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After Jennifer Lopez officially filed for divorce from Ben Affleck after months of rumors indicating their marriage was on the rocks, sources are continuing to give alleged insight into what went wrong with the pair's relationship.

According to friends of Lopez's who spoke exclusively to Page Six, the "big love Jennifer believes in" is "not in (Affleck's) DNA."

"Ben has a darkness to him that no other person can fix," the insider told the publication. "Jen Garner (Affleck's ex-wife) couldn't fix it, all the success in the world couldn't fix it."

The source went on to say that Lopez gave the marriage "everything she had," including her "whole heart," but, sadly, to no avail.

"She would have done anything to make this work," the source continued. "She opened herself up to criticism, ridicule and countless naysayers who told her this was a bad idea, that it was doomed, that there was a reason it didn't work the first time. But she didn't want to believe it— she truly believed love would conquer all.”

Lopez filed paperwork to end her marriage from Affleck on Tuesday, Aug. 20, which coincidentally (or maybe not) was the same day as the soon-to-be ex-couple's second anniversary of their wedding celebration.

According to reports, the singer filed without the help of a lawyer and did not indicate the pair had a prenuptial agreement. Documents obtained by People also indicate that Lopez has officially requested that "Affleck" be dropped from her last name.

Another source who spoke exclusively to People claimed that Affleck's erratic mood wings became impossible for Lopez to deal with, ultimately impacting the longevity of their relationship.

"The truth is there was a great deal of love but also unfortunately what became clear were Ben's erratic mood swings that he couldn't hide from the press, as much as he tried to,” the source told the publication. "You could see the erratic behavior, the giant mood swings."

The insider went on to claim that Affleck would go from “being incredibly happy and warm—the best light that emanated from him” to “the deepest, darkest behavior.”

The same source claimed that the pair were "trying to work through" the lingering issues in their marriage, even after Affleck moved out of their marital home.

Unfortunately, Affleck's "mood wings," the source continued, make reconciliation impossible.

"When the mood swings and the big highs and big lows informed a toxicity that was pervasive, no one can help you—you have to help yourself,” the source continued. “But I would not be so bold to say there isn't love—of course there is. The world was rooting for them, but who he said he was and who he turned out to be were two different people.”