Psychologists Cindy Meston and David Buss, authors of the 2007 study “Why Humans Have Sex,” have completed a second go-round, this time focused on women only. They come up with 237 reasons, and though they're not enumerated in the article, Time asks Buss for some highlights:
- Besides sexual attraction and love, big reasons woman have sex are "to boost their self-esteem or sexual esteem, to get revenge, to secure 'mate insurance' in case a partner dumps them, to relieve pain, to achieve health benefits such as getting rid of a headache—yes, it works—to decrease stress, to lose weight, and as a sleep aid."