Middle age isn't what it used to be. Women in their 40's and 50's these days are as healthy and attractive as their mothers were at 30 - and many women aren't afraid to show it off!
[Life] might be better because at 40 you know a lot more about a lot of things! The things they took for granted they just can't any more. You have to pay attention to stress relief, and eating well, and exercising, and stretching.