_Chapter 10—Psychology of sex-attraction._
Nature of the instincts, children’s affections, puberty, sex instinct
in animals, mechanism of sex activity, emotions of puberty.
_Chapter 11—Development of reproductive impulse._
Conjugation in unicellular animals, in metazoa, binary fission,
budding, sporulation, conjugation in chilodon, in monads,
hermaphrodites, self-fertilization, in phanerogamous plants, genitals
of plants, sex differentiation, erotic chemotropismus in fishes,
birds, mammals, attraction of mates, permanent mating, protection of
the young, monogamy.
_Chapter 12—Sensual love._
Egotism of sensual love, fondness, attachments, hatred.
_Chapter 13—Sentimental love._
Conscious altruism, mental characters, psychic qualities, true
friendship, love and passion, development of individual love,
characteristic of the ideal woman’s love, obstructions in the
development of love, tension at puberty, reasons for the disturbances
in love’s development, disillusion of sensuality.
_Chapter 14—Eros and libido._
Emotions of Eros and libido, in men, and in women, jealousy,
transcendental attraction, two desires of Eros, difference in the
two sexes, emotion of jealousy, its causes, vanity, woman’s former
love-affairs.