The anal stage is the second stage in Sigmund Freud's theory of psychosexual development, Freud believed in the libido, which he referred to as psychosexual energy. To Freud, the libido was the driving force behind all of human behavior.
In Freudian psychology, psychosexual development is a central element of the psychoanalytic sexual drive theory, that human beings, from birth, possess an instinctual libido (sexual energy) that develops in five stages. Each stage – the oral, the anal, the phallic, the latent, and the genital – is.
Freud also believed that all tension was due to the build-up of libido (sexual energy) The libido now becomes focused on the anus, and the child derives great.
Additionally, Halperin (1) found that women who engaged in anal by their own sexual desire to practice unprotected anal intercourse.