“I’m afraid of Seth,” Ruth says, referring to her son-in-law. “When Seth is very, very angry, he becomes explosive.”

Know Someone With Outrageous Behavior? Tell Dr. Phil

Ruth claims Seth has yelled expletives at her and has also been verbally abusive to his children.

“My granddaughter had spilled some milk, and he called her a little [expletive.] She is 6. My grandson has called me in a panic crying that his dad is in a rage,” Ruth says.

WATCH: 'I've Created Chaos For My Kids, I've Created Chaos For My Wife,' Man Admits

Ruth says she’s trying to be supportive of her daughter, Jenn, who claims Seth is verbally abusive, and has allowed Jenn and the children to live with her, but she says she’s done.

“Every time Seth goes crazy, I’m the one that has to hold everything together. I can’t do it anymore,” Ruth says.

Hear more from Ruth in the video above, including what happened one night with Seth and a shotgun.

On Wednesday’s episode of Dr. Phil, hear from Jenn and Seth and what they have to say about their relationship. Are they ready to change? Check here to see where you can watch.

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