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Two multi-wave, longitudinal studies demonstrate sex difference in sexual desire after marriage. Women's sexual desire declined on average after marriage, while men's desire generally stayed constant. (McNulty et al. 2019)

September 1, 2019
133 upvotes

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Title Two multi-wave, longitudinal studies demonstrate sex difference in sexual desire after marriage. Women's sexual desire declined on average after marriage, while men's desire generally stayed constant. (McNulty et al. 2019)
Author Altmark22
Upvotes 133
Comments 19
Date September 1, 2019 7:02 PM UTC (3 years ago)
Subreddit /r/BlackPillScience
Archive Link https://theredarchive.com/r/BlackPillScience/two-multi-wave-longitudinal-studies-demonstrate.251716
https://theredarchive.com/post/251716
Original Link https://old.reddit.com/r/BlackPillScience/comments/cye0t6/two_multiwave_longitudinal_studies_demonstrate/
Top posts by Altmark22
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[–]Altmark22[S] 17 points18 points  (8 children) | Copy Link

Full Text

Abstract:

Sex is critical to marriage. Yet, there are several reasons to expect spouses to experience declines in the desire for sex over time, and the rates of any declines in sexual desire may differ for men and women. We used two multi-wave, longitudinal studies to test whether male and female members of newlywed couples experienced different rates of change in sexual desire, whether any such changes were accentuated by childbirth, and whether any such changes had implications for marital satisfaction.

In both studies, spouses provided multiple reports of sexual desire, marital satisfaction, and childbirth. Results demonstrated that women’s sexual desire declined more steeply over time than did men’s sexual desire, which did not decline on average. Further, childbirth accentuated this sex difference by partially, though not completely, accounting for declines in women’s sexual desire but not men’s. Finally, declines in women’s but not men’s sexual desire predicted declines in both partners’ marital satisfaction.

These effects held controlling depressive symptoms and stress, including stress from parenthood. The current findings offer novel longitudinal evidence for sex-differentiated changes in sexual desire and therefore suggest an important source of marital discord.

[–]OberOst9 points10 points  (7 children) | Copy Link

Does the article suggest an explanation why women's sexual desire declines in marriage over time? I see it says that childbirth (experiencing childbirth?) partially explains it, but I want to know if the authors proposed a general explanation.

[–]Altmark22[S] 6 points7 points  (2 children) | Copy Link

Quoting the paper:

An evolutionary explanation:

But the novelty of the current findings lies in the fact that the variability in wives’ sexual desire was such that their desire became systematically lower over time. Indeed, if female sexual desire does serve, at least in part, to help ensure men’s investment, it would need to respond to environmental cues and change quickly. And hormonal and cognitive factors that coincide with such change may be the proximal mechanisms through which such change occur. In other words, our view does not challenge other perspectives but merely situates them within a broader explanatory framework. Nevertheless, future research may benefit by directly testing whether women’s perceptions of men’s investments account for the effects observed here.

Social constructivist/gender roles based explanation:

For example, women may report lower levels of sexual desire that decline more substantially over time because they may conform to stereotypes that women desire sex less compared to men (see Dawson & Chivers, 2014a).

[–]Jimmythecarrrrr0 points1 point  (1 child) | Copy Link

Could ever increasing obesity contribute to this? Women's sexual desire is reduced the heavier they become, whilst men's remains relatively unchanged?

Also changing gender roles; full time stay at home mothers vs working women.

[–]Altmark22[S] 0 points1 point  (0 children) | Copy Link

The women in the study were young (study one mean age = 23.52, study two mean age = 24.21). The studies were done over a fairly small period of time (4 years for study one), so any secular increase in obesity rates would have been inconsequential on the authors findings. They found while women that gave birth generally experienced a drop in libido , this was a smaller effect than the effect of the length of the relationship on libido (controlling for post-natal stress and depression). Women that were childless still generally experienced a significant drop in libido over the course of the marriage.

The finding that women's libido drops after marriage (or indeed cohabitation) is a pretty solid one, see Klussmann (2002) or the follow up study by the same author, Klussman (2006).

Given that Klusmann (2006) found that the women's libido declined less in relationships without cohabitation, one could readily speculate that one of the functions of the female libido is to solidify a pair bond with a male partner. When they are assured commitment by that male partner, the libido declines - likely not consciously, on their part.

Quoting the studies authors:

Consistent with these ideas, as noted, Grebe et al. (2013) demonstrated that women were more likely to initiate sex outside their fertility window (during the luteal phase) when they perceived less investment from their male partners. Of course, it is important to keep in mind that such a functional perspective does not imply any diferences between men and women are absolute.

[–]eduardkoopman2 points3 points  (3 children) | Copy Link

To add another possible reason, i read somewhere in the past in a paper, about the "5 years itch" (many seperations around the 5 year mark.

Genetic defercity. When a woman has sex and child with mr. A. And mr. A is commited. It might take 5 years for the child has a good change of being able to survive to adulthood. For new children after that. Here genes have a better change of survival into the (longer) future, if they mix with the genes of another man then her current man and father of her child(ren). This sex desire decline in women over time, WITH THIS MAN (not overall deadline often). Is nature its way of trying to push her to go find another man/partner to have the next child/children with. And to try to get commitment from, this new man (To start another like 5 year period). Hence why women more often fall "in love" with the man that they cheat with on their partner, then men do.

[–]Kmeister34870 points1 point  (2 children) | Copy Link

Interesting...."Here genes have a better change of survival into the (longer) future, if they mix with the genes of another man then her current man and father of her child(ren)."

Can you point me to the study that suggests this is true?

[–]eduardkoopman0 points1 point  (1 child) | Copy Link

Can you point me to the study that suggests this is true?

I recall reading it, it was on evolution or biology study or paper. I can't find it atm.

I can recall, what the explanation was broughtly.
Her genes, into the future generations.
When she has all children from 1 man; all her children have genes of her and him. Now lets say something in that man his genes that get passed on, makes it that the children die because of thing A. Then if that happens, all her genes are whipped out.
When she has all her children from 2 men. Then 50% of the children have significantly different genes then the other. Now lets say something in that man1 his genes that get passed on, makes it that these children die because of thing A. Then if that happens, Then not all her passed on genes are whipped out. Becasue they still carry on in the other 50% of the children, that are unaffected by thing A.

Aka, the theory of spreading one odds (genetically passing on genes speaking); by diversification in what she mixes her own genes with.

[–]Kmeister34870 points1 point  (0 children) | Copy Link

Ahhhhh! That makes sense. Thanks dude

[–]Redchad0011 points12 points  (0 children) | Copy Link

I’m more interested in married women vs unmarried women of the same age. With sexual desire, not sexual utility, as the topic

[–]IceHistory06 points7 points  (2 children) | Copy Link

Don't put a ring on it guys

[–]OberOst0 points1 point  (1 child) | Copy Link

It doesn't work. A woman's libido declines through time even if she just cohabitates with her partner. Confirmed by another study. This is another reason not to cohabitate before marriage. You'll have more sex before you do put on the ring.

[–]Mediocrecel6 points7 points  (0 children) | Copy Link

So basically even if you were gigachad and were together with your dream girl, she would desire you less and less overtime. Brutal blackpill.

[–]statusincorporated4 points5 points  (0 children) | Copy Link

This is mediated by how threatened a woman feels that her partner will leave.

A man is always best off marrying DOWN.

[–]SophisticatedBean2 points3 points  (1 child) | Copy Link

They did attempt to replicate Klusmann 2002 & 2006 that women who didn’t live with their partner did not show the decline in sex drive?

[–]Altmark22[S] 2 points3 points  (0 children) | Copy Link

Unfortunately no. They only investigated recently married couples. Would have been a better study if they did attempt to replicate that interesting finding from Klusmann 2006 that showed only a slight decline in sexual drive for women not cohabitating with their partners, by including a non-married cohort of couples. Also Klusmann also found a lower decline in sexual drive for women in hypergamous relationships, where the male partner had a higher level of education.

[–]pizzae0 points1 point  (2 children) | Copy Link

How do you prevent their sexual desire decline?

[–]polakfury0 points1 point  (0 children) | Copy Link

this is key

[–]glad2besad0 points1 point  (0 children) | Copy Link

By not committing to one woman. This is the basis of “spinning plates” from TheRedPill.

“She’s not yours, it’s just your turn”

AWALT

You can kill a man, but you can't kill an idea.

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