If nothing else, Freud does a far better job in at least
   ATTEMPTING to describe some of the complexities of relationships
   than Evolutionary theory does. Well, not evolutionary theory per
   se - that's all about how one organism becomes another through
   time and really says nothing about relationships. But rather,
   the people who extrapolate and use evolutionary theory as a
   metaphor for human relationships.

   For them, it's "eat, have sex, kill, protect the one you have
   sex with"