amount of directed to artistic aim, 21
  aggressive factor of, in sadism, 23
  strivings of, transformed into symptoms, 28
  fixation of, on persons of same sex, 29
  union of cruelty with, in neurotics and paranoiacs, 30
  of psychoneurotics unable to obtain normal sexual gratification, 33
  of children in corporal punishment, 55
  tension of, dies away at orgasm, 71
  sometimes escapes injury in castration, 75
  Theory of, 77
  a force of variable quantity capable of measuring sexual processes, 77
  a concept auxiliary to chemical theory, 77
  energy has a qualitative character, 77
    has special chemism different from nutritional processes, 77
  quantum psychically represented by ego-libido, 77
  production, increase, distribution and displacement of the Ego-, explains psychosexual phenomena, 77
  accessibility of the Ego- to psychoanalysis, 77
  the Ego- becomes Object-Libido, 77
  fate of the Object- is to be withdrawn from the object, 77
    is to be preserved floating in special states of tension, 77
    is to be finally taken back into the Ego, 77
  The Ego- is called the narcissistic Libido, 78
    greater significance of, in psychotic disturbances, 78
  is regularly of a masculine character in man and woman, 79
  the object of may be either man or woman, 79
  of child, when ungratified is changed into fear, 84
  suppressed, of love of child to parents, 84
  infantile fixation of, causes sexual love for parents, 86
  girls conceal, under affection for family, 86
  return of, to persons preferred in infancy, 86
  incestuous fixation of, not completely escaped, 86

Lindner, 42; 43

Lingering at intermediary relations, 15; 20
  at preparatory act of sexual process is mechanism of many perversions, 73

Lip as erogenous zone, 44
  sexual utilization of mucous membrane of, 16
  sucking of, 42
  zone is responsible for sexual gratification during eating, 66

Loathing, feeling of, protects individual from improper sexual aims, 16; 17
  overcoming of, at sight of excretion, produces voyeurs, 21
  and Shame in Masochism, 23
    in Inversions, 25
  as psychic force inhibiting sexual life, 40

Looking (see Peeping, Voyeurs)
  as addition to normal sexual process, 14
  Lingering at Touching and, 20
  as a perversion, 21
  and exhibition mania, the eye an erogenous zone in, 32
  as component of infantile sexual life with others as object, 53

Love, omnipotence of, 25
  and hate, 30
  temporary renouncement of, in child, 83
  smaller amount of, than mother love to satisfy individual in later life, 83
  non-sexual and sexual, for parents, nourished from same source, 86
  sexual, corresponds to an infantile fixation of the Libido, 86
  -life, peculiarities of, understood only through childhood, 87, note 11