Marc Anthony “Begging” Jennifer Lopez “to Take Him Back”

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Jennifer Lopez is ready to let go — but Marc Anthony isn't.

Although Lopez has joyously embraced life as a single working mom since the couple announced the end of their seven-year marriage nearly three weeks ago, Anthony is struggling and scrambling big-time, an insider tells the new Us Weekly, out now.

PHOTOS: Jennifer and Marc in happier times

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And the Latin crooner sometimes takes it out on his future ex-wife. "His mood shifts from blaming her to begging her to take him back to telling her she is destroying his life," the Lopez source says.

VIDEO: What went wrong?

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And as the couple hash out the details of an impending divorce, "he's being difficult on every little point…He wants to prolong things so she reconsiders," the insider says.

PHOTOS: Their adorable twins Emme and Max

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And while volatile Anthony has been "hard for Jennifer to take," the singer, actress , designer and American Idol judge has stuck to her resolve to break free — and she's loving every minute.

"She is very happy," another pal tells Us. "She is surrounded by love."

PHOTOS: How Jennifer's style has morphed for her men

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For more on the split — how Lopez's happy demeanor and time with a sexy male costar "drives him crazy," plus how their twins are doing — pick up the new Us Weekly, on stands now!

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