AceShowbiz - Teresa Giudice believed that Joe Giudice had been unfaithful to her. In a new episode of "The Real Housewives of New Jersey" that aired on Wendesday, February 12, Teresa revealed that she had "a lot of resentment" to Joe.

"I was like, the perfect, perfect f***ing wife," the mother-of-four told her co-stars in a new preview. Frank Catania, ex-husband of current cast member Dolores Catania, then asked Teresa if he was as good of a husband to her as she was a wife to him.

"Listen, he had a separate cell phone with one girl," she shared, sending shock waves throughout the room. "I found it! It was his ex-girlfriend's sister. He said she was going through her divorce. He was helping her trying to sell her house."

Teresa, however, couldn't leave Joe. "Like, I quit my job. Gia was 3. What was I gonna do?" she asked. "I should have left then, right? I didn't because he denied it to me. I believed him." Joe Gorga, Teresa's younger brother, then asked, "Today, do you believe he cheated on you?" Taking a pause, Teresa responded, "Yeah, now I do. … Sometimes, you're blind."

Melissa Gorga, who is never shy about criticizing Joe before, also weighed in on the matter. "What the news is here, is that Teresa's finally admitting it," she said during her confessional, looking unsurprised by Teresa's shocking revelation about Joe's alleged infidelity.

"We were never besties… I never thought he was the greatest. My husband unfollowed him on Instagram because he thinks [Joe Giudice is] crazy on Instagram," she continued. "It's time to make new lives. I think they've both accepted it. The only thing everybody was holding on for is, obviously, the kids, because they want their kids to have their parents together."