Buss asked newlyweds what they did when they first met their spouse to make himself or herself more appealing. A difference also exists in what qualities women and men notice first when looking at persons of the opposite sex. This gender difference in mating routines is evident across the globe as well. Men around the world are more interested in women who are youthful and physically attractive. However, what men find physically attractive varies from culture to culture.
Some cultures value female fatness when courting a women.
Important factors included food security, climate, value placed on female work, relative social dominance of women, and adaptive reproductive suppression of females in the society. Our country has become obsessed with a slim physique. The slim body standard for attractiveness is especially powerful for women. The first cause they mentioned is the idea that women who want to appear professional and intelligent believe they must be thin due to society's demands. Also, women who felt that their fathers did not think they were intelligent tended to desire a slimmer body than those women who did not feel that way.