factsandchicks:Breastfeeding invokes in the mother the neurochemical oxytocin, otherwise known as
factsandchicks: Breastfeeding invokes in the mother the neurochemical oxytocin, otherwise known as the “love drug,” which helps to focus her attention and affection on her baby. It’s now been theorized that men who do nipple foreplay and stimulation during sex can make themselves more desirable. source -- source link