If a conversation with your Special One turns negative, it's time pick up that oxytocin spray?[4]
Estrogen given to postmenopausal women enhances convergent thinking at the expense of divergent thinking while testosterone appears to have the opposite effect?[5]
Single men have higher testosterone levels than long-distance or same-city partnered men, but women in long-distance relationships had similar levels to single women, which were higher than those of same-city partnered women?[6]