The 40-plus guys insist on being in the 30 to 40 group. The girls don't want it. They reply, 'I'm 45 and I still want to have kids. It's really a bit frustrating. The gender schism starts to open with the next cluster of qualities.
Men get physical.
Women get practical. From a biological point of view, men are prudent in placing emphasis on the physical. It means we're concerned about the health of the human species. It reflects internal reproductive capabilities. In other words, beauty is a sign of health and the potential to produce children.