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When People Don't Have Sex for a While

When People Don't Have Sex for a While

Why People Start Freaking Out When They Don't Have Sex for a While
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Sex plays a key role in pair bonding and according to a new study its positive effects on your relationship can last up to 48 hours.


I was talking to a friend the other day, and she told me she gets anxious when she doesn't get to have sex with her boyfriend after a few days. "I feel amazing during and after sex with my partner," she said. "Then—if three or four days go by without sleeping together—I start to worry. Since we work opposite schedules, we get tired at different times, which can lead to falling asleep without hooking up. That's fine, but I begin to have a nagging feeling that it's bothering him, though I've been assured it's not." She added, "Once we've successfully fucked again, that slate is wiped clean."

Recent research may explain why: Past studies have suggested that sex plays a key role in pair bonding and relationship satisfaction. But, according to Florida State University researcher Andrea Meltzer, they don't illuminate how partners "remain pair-bonded between sexual acts." In a new study, published in the Association for Psychological Science, she introduces the phenomenon of a "sexual afterglow" to explain this. Meltzer found that the positive effects of sex on relationships can linger after the act—but only up to 48 hours.


The researchers examined data from two longitudinal surveys— one with 96 married couples and one with 118 married couples—which asked the newlyweds to keep individual, daily sex diaries to report when they had sex, their perceived sexual satisfaction levels, and their relationship satisfaction levels. Meltzer noticed that couples reported heightened sexual satisfaction up to two days after having sex. "Participants who reported a stronger 48 hour sexual afterglow [also] reported higher levels of relationship satisfaction four to six months later," she said in an interview with Broadly.

"This research is important because it joins other research suggesting that sex functions to keep couples pair bonded," Meltzer noted. From an evolutionary perspective, Meltzer says that the downsides of sex could account for the afterglow phenomenon. Frequent copulation, she points out, takes time and energy, and may decrease sperm count.

Meltzer said she wanted to look into the possibility of a "sexual afterglow" period because anecdotal examples of the phenomenon are frequent. Indeed, when I asked around, most people reported a pretty obvious difference between life in the "afterglow" and out of it. The anecdotal universality of this is consistent with Meltzer's findings: In a press release, she wrote that the afterglow "did not differ according to participants' gender or age, and it held even after sexual frequency, personality traits, length of relationship and other factors were taken into account."

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