How to Save a Marriage and Ruin Your Life - Full Cast & Crew

• 1968
• 1 hr 42 mins
• Comedy, Drama

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Battle-of-the-sexes comedy about a free-wheeling bachelor who decides to save his friend's marriage by proving that all mistresses are incapable of fidelity. The plot gets complicated when the bachelor offers to set up the wrong girl in a lavish love-nest and she accepts, believing that it's a marriage proposal.