The following excerpt gives four reasons for Freud's emphasis on sex:
Freud and sex [DOC]
"1. Sex was the source of the chemical substance Freud believed to be
the direct cause of some neuroses (the aktuelle neuroses)
2. Sex was the constant source of the electric energy he needed to
postulate so as to 'cathect' (charge up) and run his theoretical
3. Sex gave an explanation in terms of biological evolution of the
peculiar kinds of symptoms neurotics displayed
4. Sex was the all-purpose cause behind that curious mental faculty
that was to be the greatest of all of Freud's ideas, [Verdrängung] --
the 'repression' that put memories into an unreachable 'unconscious'
part of the mind"
For more information on Freud's psychosexual theory, please see the
Freud's Theory of Psychosexual Development
"According to Freud, people enter the world as unbridled pleasure
seekers. Specifically, people seek pleasure through from a series of
erogenous zones. These erogenous zones are only part of the story, as
the social relations learned when focussed on each of the zones is
And this article on libido:
"Libido is the term that the noted founder of psychoanalysis, Sigmund
Freud, used to label the sexual drive or sexual instinct. He noted
that the sexual drive is characterized by a gradual buildup to a peak
of intensity, followed by a sudden decrease of excitement. As he
studied this process in his patients, Freud concluded that various
activities like eating and drinking, as well as urination and
defecation share this common pattern. Consequently, he regarded these
behaviors as sexual or libidinous as well."
Hope it helps!
"freud and sex"
freud sex libido