Women are more aware of the problems as they hit their 30's and see the health problems striking male family members in their 50's and 60's. And a woman experiencing this in her own family will think twice before looking at marry potential problems. Usually men look for women ten years younger than they are, and women look for men five years younger to five years older. If you are ten years older than we are and don't look it, that's all that matters. No, you don't have to lie about your age.
Women live longer and healthier lives at older ages than men.
On the other hand, if you have other bargaining points, money, status, height, a vocabulary, the ability to dance, we may be willing to date you despite how old you are. How to make a Great First Impression. How to stay safe and not stress out.