... are two of these drives: Eros, the sex drive, and Thanatos, the death instinct. The id, according to Freud, operates under the Pleasure Principle: (Hayes. N 1994) "I want what I want and I want it now!" The id demands immediate gratification, and will settle for nothing less. And because the world doesn't always meet the desires of the infant, the id comes pre-packaged with an operative process, the Primary Process. (Hayes N 1994). If the thirsty infant doesn't get mother's milk, he creates a fantasy in which he does receive it (an act of wish-fulfillment ). Because the id is entirely irrational, there is no difference between the fantasy version and the "real" version. The id, in conventional morality, is immoral. The ego develops as the buffer between the Id and reality, often suppressing the id's urges until an appropriate situation arises. This repression of inappropriate desires and urges ...

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