Motherhood and the Relationships of the Sexes
But it seems to me that, when from any cause the pleasure factor in sex becomes secretly over-accentuated, as it may so easily do under conditions where full sex expression is denied to many women, the normal sexual impulses are in some cases weakened or even atrophied through disuse, while in others satisfaction is gained in secret erotic practice, and by so doing the character and these deep impulses receive a twist in an unhealthy direction, leading or at least tending to an inflaming of the egoistical desires, which, if long continued, will increase to crowd out, like an overgrowth of some poisonous weed, the more tender plant of the parental instinct.