"I want Ben to be happy, but I don’t believe a woman can straighten him out!” declared Ben Affleck’s dad in a world exclusive RadarOnline.com interview.

Baring his soul with shocking candor, Tim Affleck blamed Hollywood for his famous son’s life-threatening addictions and the collapse of Ben’s 12-year marriage to Jennifer Garner!

“Hollywood is a disgusting place!” Tim raged. “I’m not a big fan of the entertainment world. I know it’s taken its toll [on Ben].”

Lindsay Shookus — who pals said he was seeing while still married to Jennifer.

“I don’t necessarily believe one person should be with someone forever,” Tim sighed. “Some people might, but history has proven it often doesn’t work.”

Tim revealed to Radar it’s all devastating for his grandchildren, Violet, 12, Seraphina, 9, and Samuel, 5.

PHOTOS: Jen Garner Reveals Why She’ll ‘Hang In There’ With Ben Affleck Despite His Shenanigans — Shocking Interview In 7 Clicks

“[They ] know what’s going on,” Tim continued.

But don’t look for Ben and his blonde gal pal to start a family, said Tim: “My suspicion tells me he won’t have any more children.”

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