"The whole bounce back thing, it's like, 'Oh gosh ease up!' I mean eventually maybe, but certainly not in a couple of weeks. I'm breastfeeding. It really does actually help shrink your uterus back to size! I know that it's a weird thing to say." New mum Eva Mendes is in no rush to get her body back in the shape it was in before having daughter Esmeralda in September (14).