when a man messes with a younger woman he is great and gets a medal but vise versa the woman is criticized for her decision.
This is just selective editorializing. You can find pro and con examples of each in everyday life.
When I see a man trying to mess with a younger woman, I tend to be concerned about the balance of power. Women, expecially younger ones, are taught to be acquiencent. If I see the oppostie, with a younger man, older woman, I wonder the same.
While there is no line etched in stone, it's obvious that the stage of life both people are in is important.
My husband is 12 years older than me. We met when I was 30, and he was 42. Several years later we married, and just celebrated our 21 anniversary.
At the time of our meeting, we were both mature adults. We had both had many adult life experiences. I did actually wonder about the age difference, and how it would pan out for our future. The chickens have come home to roost on that one. So it goes.
However, if I had been 16, and he 28, there would have been cause for worry. A girl who's maybe a sophmore/junior in highschool, with a man who has hopefully been on his own for years, with job, social and community responsibilties? I don't think so.
Of course now I've opened the door for chickenhawk to come back and proselytize in his usual manner that an adolescent girl is just fine with an older man. Such joy.