Eva Mendes says she and Ryan Gosling had a “non-verbal agreement” she’d be a stay-at-home mum. The ‘Hitch’ actress, 50, has daughters Esmeralda, nine, and seven-year-old Amada with ‘Barbie’ actor Ryan, 43, who she’s been with since 2011, and added they had an unspoken deal where they knew her work was going to be taking care of their children while he went out and earned money in Hollywood. She said on the ‘Today’ show: “It was almost just like a non-verbal agreement, that it was like, ‘Ok, he’s going to work and I’m going to work, I’m just going to work here.’” Eva stressed she felt it was a …