#quotes #books #booksky #excerpts #citations #chemistrybetweenus #young #alexander #sex #biology #neurobiology #hormone #vasopressin #sociability #altruism #behavior

#quotes #books #booksky #excerpts #citations #chemistrybetweenus #young #alexander #chemistry #biochemistry #sexuality #female #proception #stress #brain #neurobiology

#quotes #books #booksky #excerpts #citations #chemistrybetweenus #young #alexander #pfaus #sex #sexaddiction #ocd

#quotes #books #booksky #excerpts #citations #chemistrybetweenus #young #alexander #pregnancy #estrogen #prolactin #lactation #breasts #uterus #receptors #oxytocin #biology #chemistry #biochemistry #hormones

#quotes #books #booksky #excerpts #citations #chemistrybetweenus #larryyoung #sex #novelty #brain #dopamine #pfaus #neurochemistry #brain #neurobiology #biochemistry