Are More Older Women With Younger Men?

"They all have an immediate picture -- let's say a 60-year-old woman: gray hair in a bun, apron on, cooking cookies."

Appropriate Behavior

The biggest hurdle for May-December relationships, Gibson said, is the cougar's lack of interest in, or inability to have a baby.

"If he wants children then it's short term, because he will go off to have his children at some point and you should allow that or even send him off to do it," she said.

And for people who would condemn the cougar's behavior as creepy or inappropriate, she said "I don't see these condemnations as valid.

"I do see them as only aimed at women -- putting down older women and trying to control them," she said. "No way."