It surely is a reflection of our legacy, male-dominated society. An artifact of the past, one which has no value in today's world.
I beg to differ on the artifact aspect and lack of value. As one poster commented, there are evolutionary and biological reasons that are most likely still innate in us which cause men and women to value age differences.
For me, it was purely a preference. I don't want to be dominated by a man, but I am attracted to the romanticism of the older, stronger Prince Charming saves-the-princess type of man. It's not a need for a man to take care of me, but a delightful thought that he can.
That said, I don't believe age matters in the art of love, companionship and partnership. It only matters to me, and I love it that I can be free to be me instead of being a militant against so-called artifacts of the past.

