Frank & Eva (1973)

The story of a man who goes out looking for hamburgers, while he has a beautiful steak at home. Frank and Eva can't live together, but can't live without each other either. He has sex with every woman he can get, while Eva wants to start a family. She, on the other hand, seeks more stability and wants to start a family. Out of frustration with his behavior, she starts an affair with their mutual friend, but can this man give her what she wants?