Our development program is genetic but can be thrown off course by unbalanced parenting.
We all need our mother's love to develop self esteem... BUT we also need to separate from her, which requires a relationship with a father
Without a mother's love or without a relationship with our father we suffer a developmental arrest.
This trauma is repressed and is manifest in adulthood in the form of myriad mental disturbances, including especially the whole spectrum of dysfunctional sexuality.