Teresa Aprea is having a tough season. In this week's upcoming episode of The Real Housewives of New Jersey, the newcomer gets help from sister Nicole Napolitano as she slams rumors that Teresa's husband Rino once slept with their mother Santa. The siblings begin to question Teresa Giudice's loyalty during a heated discussion with Dina Manzo.

Manzo is put in the hot seat — with Melissa Gorga on hand -- trying to explain Giudice's involvement. In a flashback clip, Amber Marchese is seen talking about the alleged cheating scandal with Giudice at Manzo's home.

"Teresa has enough sh--t in her life so [Amber] thought Teresa was the person to call over — with all her problems going on?" Napolitano snapped back. "How is Teresa involved? I like Teresa, but don't give me a reason to not like her."

"I've heard so many terrible things about Teresa that I've never repeated to anyone," Napolitano continued. "When you care about a person you don't continue a lie."

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The Real Housewives of New Jersey airs Sundays at 8 p.m. ET/PT on Bravo.