What term is used for intense feelings that are directed at someone or something?

Infatuation

Oxytocin and prolactin are hormones that establish the "let down" and "keep up" with the supply and demand of a nursing baby. These hormones, specifically the oxytocins, are powerful antidepressants and are very powerful tool against PPD or Postpartum Depression, which is common to changes after childbirth caused by hormone fluctuations.