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"