1. Being happy.
Very happy people have sex 10 more times per year than unhappy people, according to a 2008 study.
2. Playing video games.
According to a poll by market research firm Harris Interactive, women who play video games are more likely to have sex at least once a week than women who don’t. Also, a majority — 64% — of the female gamers surveyed were in serious relationships.
3. Being spiritual.
Spirituality, as distinct from religiousness, appears to affect sexual behavior, according to a 2009 study. Specifically, the study found that young women whose spirituality manifested itself as a feeling of “connectedness” to others had more sex with more partners than those who felt less “connected.” Unfortunately, women who felt very connected were also less likely to use condoms. Spirituality affected men differently — men who were very spiritual actually had less sex.
4. A healthy heart.
Research shows that cardiovascular disease can contribute to male and female sexual dysfunction, so taking care of your heart can also improve your sex life. It goes both ways — having frequent sex also decreases your risk of a heart attack.
5. Doing housework.
A study made a big splash earlier this year with the finding that men who did fewer traditionally female chores had more sex. But previous research has found that in general, men and women who do more housework also have more sex. And women whose male partners help more with housework may be more satisfied with their relationships, also leading to more sex. So start ironing bacon, everybody.
Vigorous exercise seems to be especially helpful. In a 1990 study, sedentary men who started an exercise program all reported more and better sex, but the ones who did aerobic exercise had a bigger improvement than the ones who just walked. Another study found that working out vigorously made women’s bodies more responsive to sexy stimuli (the study authors used a porn movie).
7. Being hot.
This apparently only works for men, though. According to one researcher, men who are very good-looking report more sex partners in their lives than more average dudes; the reverse is true for women. It’s worth noting, though, that more partners doesn’t necessarily mean more sex — also, people don’t always tell the truth about this stuff to researchers.
8. Being hot (literally).
A survey sponsored by Trojan found that people in warm cities like Miami have more sex than those in colder ones. But they’re still more likely to abstain when the weather gets insanely hot. Slate’s Explainer hypothesizes that “pleasant-to-bearable heat” may be most conducive to sex.
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