... The other name for breasts is mammary gland (in Latin, mamma—breast), and all animals who suckle their young are called mammals or mammalia. Besides its milk secreting function, the breasts constitute a strong erogenous zone; they are a point of strong attraction for the male sex, many men being more attracted by well-developed breasts than by a pretty face. There is a good biological reason for this. Well developed breasts indicate that the other sexual organs are well developed and that the woman ... — Woman - Her Sex and Love Life • William J. Robinson
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