Some women, it seemed, were entirely without guile and bestowed their affections with hardly a moment's conscious thought. Others set out to implement a campaign of military thoroughness, with branched contingency trees and fallback positions, all to 'catch' a desirable man. The word 'desirable' was the giveaway, she thought. The poor jerk wasn't actually desired, only 'desirable' - a plausible object of desire in the opinion of those others on whose account this whole sorry charade was performed. Most women, she thought, were somewhere in the middle, seeking to reconcile their passions with their perceived long-term advantage.

Author: Carl Sagan