Since the dawn of creation and the materialisation of "woman," the sexual preference of women has been strongly debated. Countless individuals (all men) have studied what has become known as the Lesbian Realisation.
The basic concept is that all women are in some for or another lesbians. The Lesbian Realisation Doctrine is unclear in the exact nature of this phenomena and skeptics are now debating the definition of "lesbian."
The original concept, as proposed by Victor Wayne Harrington and Matthew Biggerstaff, states that the entire female population of the Homo sapien species are attracted, sexually, to other females. Although there does appear to be a preference by women for other women, it is unlikely that this attraction is in fact biological.
The main hypothesised reason for this attraction is the way in which females of the species intrinsically bond with other females, apparently from birth. Unlike the males of the species who are under the control of their genitalia from birth, females lack the curse of a "second head."
In men this second head is operated by drawing blood from the upper head to this lower head. This is called a curse for it has been stated that the creator gave men two heads but only enough blood to use one at a time. Women, lacking this curse, form preferences in accordance to their interactions with society. However, our current society forces the males and females to break off into groups by like sex, but man are capable of "interacting" with several women while it is frowned upon if some "interact" with several men. This resultes in penis envy, which causes the females to develop a strong bond with one another that eventually develops into a sexual relationship.