It's true that women are more prone to crying than men, at least after they reach puberty. Women have more of the prolactin hormone, which contributes to tears and how much people cry. There also is a difference in the shape of men's and women's tear ducts, although it's unclear whether this is a cause of more crying in women. Another reason women cry more could be that women get depressed more than men, and people cry more when they are depressed. Social mores also permit women to cry, whereas crying is considered unacceptable behavior for men.
Women seem to worry more than men, and it could be that they're also more prone to feeling stressed. In women, the part of the brain that deals with stress is linked to the area that controls hormones and digestion, which is not the case in men. That means that women tend to exhibit more physical symptoms from stress than men. Women also have more stress hormones than men. After a traumatic experience, a woman's stress hormone levels take longer to get back to normal levels than do a man's. Could it be that some of these physiological effects come across as emotional ones?
Although some may believe that women get more jealous about romantic duplicity than men do, it seems that the sexes get jealous over different kinds of infidelity. A woman in a long-term relationship gets upset and jealous if her partner becomes emotionally attached to another woman, perhaps even more so than if he cheats sexually. Allowing for cultural differences, most men, however, would be more upset and jealous if their partners had been physically unfaithful.
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