to do: http://en.wikipedia.org/wiki/Physical_attractiveness#cite_note-Sohn-18 Pawlowski, B. and Jasienska, G. 2005. Women's preferences for sexual dimorphism in height depend on menstrual cycle phase and expected duration of relationshiop. Biological Psychology, 70, 38-43. http://droptone.googlepages.com/1.PDF