According to a new report in PEOPLE , Ben Affleck’s “erratic mood swings” contributed to his split from Jennifer Lopez. “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,” an insider told the outlet. After months of speculation over the status of their relationship, Lopez, 55, filed for divorce from her husband after two years of marriage earlier this month.

“You could see the erratic behaviour, the giant mood swings,” PEOPLE’s source continued. Describing the deterioration of their relationship in recent months, the insider claims that the Oscar-winning actor/director would go from “being incredibly happy and warm” to “the deepest, darkest behaviour.” Lopez filed for divorce on Aug.

20 — which was two years to the day that the pair married. TMZ reported further that Lopez listed the date of separation as April 26, 2024. The website added that she did not mention any prenuptial agreement.

PEOPLE’s source said that while the two still deeply love one another, Lopez couldn’t get over Affleck’s “mood swings.” “They were trying to work through it, but 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,” they explained. “The world was rooting for them, but who he said he was and who he turned out to be were two different.