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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To think that on average women ARE less keen on casual sex? (NB. I have no objections to casual sex if ethical)

91 replies

MusettasWaltz · 26/09/2025 02:59

This isn't a TAAT but it's partly prompted by an AIBU I saw recently where the OP was saying promiscuous men should be shamed. The OP was about my age (19) & seemed somewhat odd, but I was also surprised by a lot of the replies. Many said that women like casual sex just as much as men do, and often appear to like it less anecdotally & in studies because of slut-shaming & other factors. (Some of this might have been a reaction to the OP's stated strong disapproval of casual sex & encouragement of shaming, but most opinions do seem genuine)

I know a lot of cod psychology about women is pretty sexist and inaccurate. But my gut feeling is that on average women probably DO like casual sex less. For one thing, while some promiscuity does have some evolutionary benefit for species like birds, generally it benefits a man more evolutionarily to have casual sex more than it does a woman.

Obvs evopsych isn't the only think motivating people by a long shot, but it does have some truth I think.

Anecdotally, most of my friends are lukewarm at best about it. That could untypical ofc..

(My personal stance is that I could see myself in a casual FWB relationship but wouldn't have a ONS. This is personal, I don't think there's anything intrinsically bad about them so long as people treat each other with respect and aren't too drunk/coerced. Etc)

Curious to know the MN stance. Am I being stupidly old-fashioned? Or is this at least somewhat true?

OP posts:
GhostyMcGhostfact · 28/09/2025 17:14

Ive not heard the argument that women would still want sex with their husbands, I've been married and I've gone off sex with my husband due to their selfish ways/lack of communication etc, def not gone off sex itself as I discovered when I left him and had lots of sex!

OneAmberFinch · 28/09/2025 17:30

Userengage · 28/09/2025 14:54

I think men just boast about casual sex more than women do, women are more likely to keep it to themselves whereas men want to be seen as some kind of don and are also likely to exaggerate numbers.

I see how some women on MN get het up about other women here having ONS/FB/FWB, telling them that they have low self esteem or low self respect or are “sluts” (hate that misogynistic word). It’s almost as if they’re worried that these more sexually adventurous women may lure their men away. They also appear to find it impossible to believe that women do not have a hive mind and that some do not catch feelings.

I’ve had a fair bit of casual sex in my past and if I became single again, I would probably do it again. I like feelings-free sex.

Edited

I find it more misogynistic to denigrate women for "catching feelings" as if this is weak behaviour.

Jamesblonde2 · 28/09/2025 17:50

I find the idea men or women having casual sex completely bizarre. I would expect there to be a relationship in place before having sex. But then I’m more about mental connections rather than just carnal endeavours. Actually more than bizarre, I find people who do this rather loose. Not my kind of person.

MusettasWaltz · 28/09/2025 18:13

Jamesblonde2 · 28/09/2025 17:50

I find the idea men or women having casual sex completely bizarre. I would expect there to be a relationship in place before having sex. But then I’m more about mental connections rather than just carnal endeavours. Actually more than bizarre, I find people who do this rather loose. Not my kind of person.

If it's ok to ask, are you male? If so, is there pressure to have casual sex in your social circle?

OP posts:
Userengage · 28/09/2025 18:41

OneAmberFinch · 28/09/2025 17:30

I find it more misogynistic to denigrate women for "catching feelings" as if this is weak behaviour.

If you are referring to me and assuming that I “denigrate women’, that is quite some reach.

centaury · 28/09/2025 20:10

Willingness to have sex with strangers is THE most consistent and replicable sex difference.

Anchorage56 · 28/09/2025 20:17

I think I remember the thread you are talking about and I'm wondering if you are the same person because the OP of that thread shortened certain words down e.g "obvs" and you do that too.

MusettasWaltz · 28/09/2025 20:54

centaury · 28/09/2025 20:10

Willingness to have sex with strangers is THE most consistent and replicable sex difference.

That sounds accurate. And I suspect most studies of casual sex are focusing on strangers or at least people the person doesn't know well.

OP posts:
Disturbia81 · 29/09/2025 11:29

centaury · 28/09/2025 20:10

Willingness to have sex with strangers is THE most consistent and replicable sex difference.

Who are all these men having casual sex with then..

centaury · 29/09/2025 13:47

Disturbia81 · 29/09/2025 11:29

Who are all these men having casual sex with then..

Willingness isn't the same as actually having it! You can also look at the difference in gay male sexual behaviour - much more organisation around stranger & casual sex because there isn't the barrier of women's greater disinclination to engage in that kind of thing.

JHound · 29/09/2025 13:56

Compared to men yes women as a collective like casual sex less.

Not sure anybody disagrees with that.

GhostyMcGhostfact · 29/09/2025 15:23

centaury · 28/09/2025 20:10

Willingness to have sex with strangers is THE most consistent and replicable sex difference.

I would have thought that the most distinct sex difference would be the propensity to violence, be that rape or other sexual violence. Female rape and sexual violence stats must be a tiny fraction of male.

deydododatdodontdeydo · 29/09/2025 16:19

bananafake · 28/09/2025 13:05

How patronising. It's not reliving your youth to enjoy sex. It's far more likely they have free time now children are off hand and they've got rid of disappointing long term partners.

How is that patronising?
They enjoyed casual sex when they were in their 20s and now in their 50s they're enjoying it again.
It's a turn of phrase, no negativity implied.

gannett · 29/09/2025 16:25

MusettasWaltz · 28/09/2025 14:20

Interesting, I do agree somewhat. But I think there's more evidence than just evopsych that men are more inclined to casual sex than women. I agree evopsch can't explain everything but I do think it probs has some validity.

Otoh incidentally I thought of another reason lesbians have less casual sex. There's less lesbians than gay men, and while bi women might be up for casual sex, there's a sadly too-high number who try & involve a bf, often by deception ('unicorn hunting'). In the recent case of Sidney Loofe, this ended in murder. 😢

Also, I'm pretty sure bi women might be less likely to be covertly cheating compared to married bi or closeted gay men, who make up apparently quite a lot of the cohort of gay men up for casual sex. Closeted women do cheat but think it's rarer & less likely to be via hookups.

I'm still not sure why you seem to be so keen on discovering hard-and-fast rules based on stereotypes, averages and evopsych bollocks.

Who cares about the average man and woman? They don't exist. The individual men and women in your life exist and every permutation of sex drive you can think of will be among them.

Trying to fit people into cliched boxes is fairly useless. Sexuality is interesting because most people are exceptions to the cliches in some way.

OneAmberFinch · 29/09/2025 21:55

gannett · 29/09/2025 16:25

I'm still not sure why you seem to be so keen on discovering hard-and-fast rules based on stereotypes, averages and evopsych bollocks.

Who cares about the average man and woman? They don't exist. The individual men and women in your life exist and every permutation of sex drive you can think of will be among them.

Trying to fit people into cliched boxes is fairly useless. Sexuality is interesting because most people are exceptions to the cliches in some way.

Who said anything about hard and fast rules?

"If I meet one man and one woman, I predict that the man will have a higher willingness to have casual sex than the man" is a statement with very high predictive power.

You can go around assuming all the lesbians in your life are desperate to go dogging every night if you like. Let me know how your invites turn out...

gannett · 30/09/2025 08:07

OneAmberFinch · 29/09/2025 21:55

Who said anything about hard and fast rules?

"If I meet one man and one woman, I predict that the man will have a higher willingness to have casual sex than the man" is a statement with very high predictive power.

You can go around assuming all the lesbians in your life are desperate to go dogging every night if you like. Let me know how your invites turn out...

I don't assume anything about anyone, and I certainly don't assume it just based on their gender. That's literally my point.

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