Cheating&Torture

John Corbett and Nia Vardalos reveal how they keep the spark alive in their long-term relationships

"My Big Fat Greek Wedding 2" co-stars John Corbett and Nia Vardalos joke that cheating and torture are the secrets to their long-term relationships -- his with girlfriend Bo Derek and hers with husband and "MBFGW2" co-star Ian Gomez.

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