Eva Mendes and Ryan Gosling had a "non-verbal agreement" that she would step back from acting to be a mom if they had kids.Sonia Recchia/Getty ImagesEva Mendes says she had a "non-verbal agreement" with Ryan Gosling to step back from acting when they had kids."It was like a no-brainer," Mendes said on the "Today" show, adding she was "lucky" to have that time with her kids.However, experts say it's better for partners to have an open discussion and make decisions on equal standing.Eva Mendes says she and Ryan Gosling had a "non-verbal agreement" that she would step back from her acting career to stay at home with their children when they decided to have kids."It was like a no-brainer," Mendes, 50, said on the "Today" show on Tuesday when asked about transitioning from being an actor to a full-time mom.