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Having sex with your sister in law is completely deranged, right?

Nobody moral would do this, right? These are just jokes?
Sadistic Orange Point
  10/11/24
I dunno. What if she has a nice ass?
Bisexual swollen brunch
  10/11/24
more detail plz
Wonderful flesh box office hissy fit
  10/11/24
...
Bisexual swollen brunch
  10/11/24
It probably depends on how much you hate your bio parent and...
self-centered balding garrison immigrant
  10/11/24
do u know what a sister in law is?
Frum sienna mad-dog skullcap
  10/11/24
he's watched too much porn
razzle harsh native sweet tailpipe
  10/11/24
Objection, nonresponsive
self-centered balding garrison immigrant
  10/11/24
...
Flirting brethren
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
self-centered balding garrison immigrant
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
magenta rough-skinned pisswyrm
  10/11/24
sleeping with anyone within your orbit of friends & fami...
titillating juggernaut trust fund
  10/11/24
mostly cr
Sadistic Orange Point
  10/11/24
...
Up-to-no-good gunner national
  10/12/24
this is exactly why I never sleep with my wife
vigorous pozpig principal's office
  12/23/25
depends on if your wife is dead or not
razzle harsh native sweet tailpipe
  10/11/24
i believe this is colloquially known as "the biden rule...
titillating juggernaut trust fund
  10/11/24
...
carmine insecure codepig
  11/30/25
only if you don't take pictures to share with us
Aggressive trip resort
  10/11/24
(martin brodeur)
bearded hospital water buffalo
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Pale den ape
  10/12/24
This. Plus they are always hugging and kissing you.
Fragrant Wagecucks Fortuitous Meteor
  10/12/24
...
Aggressive trip resort
  12/23/25
Wtf
Sadistic Orange Point
  10/12/24
This is my life. Constant blue balls.
Pale den ape
  10/12/24
...
Wonderful flesh box office hissy fit
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Ruby Foreskin
  10/12/24
...
carmine insecure codepig
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Fragrant Wagecucks Fortuitous Meteor
  10/12/24
180
Know-it-all theater
  10/12/24
...
unhinged factory reset button
  10/12/24
twist: the sil was Catherine of aragorn
Nubile jade chad
  10/12/24
If first brother was childless then this is classic Levirate...
Carnelian mediation
  10/12/24
...
unhinged factory reset button
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Carnelian mediation
  10/12/24
...
unhinged factory reset button
  10/12/24
You're doing it for the purpose of having children, through ...
Carnelian mediation
  10/13/24
are we talking about your wife's sister or your brother's wi...
Diverse frisky boiling water
  10/12/24
How many times do we have to go over this.
Soul-stirring massive nibblets
  10/12/24
...
white kink-friendly location antidepressant drug
  10/12/24
...
carmine insecure codepig
  11/30/25
...
white kink-friendly location antidepressant drug
  12/23/25
...
Flirting brethren
  12/23/25
...
Bossy Metal Meetinghouse
  12/23/25
...
gedood persoon
  06/03/26
...
Emilio Estevez circa 2032
  06/03/26
...
Mailer Daemon
  06/03/26
...
Emilio Estevez circa 2032
  06/03/26
yes
aquamarine spectacular piazza
  10/12/24
voice of reason as always cbtp
Sadistic Orange Point
  10/12/24
not as deranged as brother-in-law
Lavender Appetizing Church Building
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
dashing cerise community account
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Sadistic Orange Point

Nobody moral would do this, right? These are just jokes?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48187983)



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Bisexual swollen brunch

I dunno. What if she has a nice ass?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48187985)



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Wonderful flesh box office hissy fit

more detail plz

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48187988)



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: Bisexual swollen brunch



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48187993)



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: self-centered balding garrison immigrant

It probably depends on how much you hate your bio parent and stepparent. If eg I was a Chadly 16 year old and a drunk, verbally abusive stepdad moved into my house with me and my mom, and he brought along his hot 15 year old daughter, I could see how fucking the shit out of his 15 year old daughter might be beneficial for me and my mom.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Frum sienna mad-dog skullcap

do u know what a sister in law is?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188004)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: razzle harsh native sweet tailpipe

he's watched too much porn

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188017)



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: self-centered balding garrison immigrant

Objection, nonresponsive

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188617)



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Flirting brethren



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49533041)



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: self-centered balding garrison immigrant

I do but I prefer fantasizing about my non-existent step sister. I originally meant to go back to the beginning of this and add some intro that set up the pivot, but I forgot to do that.

Given the XO stipulation that we’re limiting the discussion to wife’s sister and brother’s wife is obviously off limits, it would require a wife that is truly evil and awful to justify it, and no kids can be involved for anyone. That said, it would be literally the greatest spite sex ever, if justified, and also a real life-threatening peak experience since by definition any wife awful enough to deserve to get cucked by her own sister would be fully capable of murdering both of you. So in that 1/100k scenario where you made the mistake of marrying the literal devil it’s not only justified it’s incredibly hot.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: magenta rough-skinned pisswyrm

Not sure if this analysis is on point. The less it's justified the hotter it is imo

Scandal is the very foundation of the SIL Fetish

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: titillating juggernaut trust fund

sleeping with anyone within your orbit of friends & family is insane and doomed

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Sadistic Orange Point

mostly cr

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188040)



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Up-to-no-good gunner national



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190661)



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: vigorous pozpig principal's office

this is exactly why I never sleep with my wife

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49533050)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: razzle harsh native sweet tailpipe

depends on if your wife is dead or not

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188014)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: titillating juggernaut trust fund

i believe this is colloquially known as "the biden rule"

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188018)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: carmine insecure codepig



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49472648)



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Aggressive trip resort

only if you don't take pictures to share with us

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188026)



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: bearded hospital water buffalo

(martin brodeur)

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48188717)



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Pale den ape

Anyone who doesn't at least understand the temptation doesn't have a hotter young SiL.

It's a combination of many factors. She's a hotter, younger version of your wife (who you were already naturally attracted to--they share the same genes).

She's often proximate to you including during revealing, semi-intimate moments--e.g., lounging around in her robe, changing adjacent to go to the beach, at the pool in her bikini, at a cabin getting dressed in the morning, casually walking into your room while you're getting dressed, asking you to pass her a towel, etc.

The SiL has a natural temptation and desire--this can be conscious or subconscious--to fuck with her sister like all good classic fucked up female relationships and one obvious way to do it is to tempt the sister's husband.

It's a toxic stew that results in you constantly having a throbbing cock around your SiL's pendulous breasts and warm luscious hairy honeypit that she semi-regularly flashes you with even as your rational mind tells you this would be the worst decision you ever made because inevitably it will come back to haunt you and blow up your life.

Thank

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Fragrant Wagecucks Fortuitous Meteor

This. Plus they are always hugging and kissing you.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48189951)



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Aggressive trip resort



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49533178)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Sadistic Orange Point

Wtf

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190745)



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Pale den ape

This is my life. Constant blue balls.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190953)



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Wonderful flesh box office hissy fit



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49472629)



Reply Favorite

Date: June 3rd, 2026 4:32 PM
Author: ...,,..;...,,..,..,...,,,;..,


i'm married to the younger hotter sister, and the temptation is still 100% there for the older less-hot SIL for exactly the same reasons you mentioned.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49913429)



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Ruby Foreskin

Is she a spicy Latina?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48189956)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: carmine insecure codepig



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49472649)



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Fragrant Wagecucks Fortuitous Meteor

Youngest SiL is trim, has a 180 ass and is always kissing me on the lips. Hard not to think about it.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Know-it-all theater

180

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190744)



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: unhinged factory reset button



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48189979)



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Nubile jade chad

twist: the sil was Catherine of aragorn

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190647)



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Carnelian mediation

If first brother was childless then this is classic Levirate marriage out of Deuteronomy

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: unhinged factory reset button



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190672)



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Carnelian mediation

He's literally the closest replacement for the guy. I can't think of anything more natural.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: unhinged factory reset button



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190723)



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Carnelian mediation

You're doing it for the purpose of having children, through whom your brother lives on. Nothing could be a bigger solid for the guy.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Diverse frisky boiling water

are we talking about your wife's sister or your brother's wife?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: Soul-stirring massive nibblets

How many times do we have to go over this.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48189992)



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: white kink-friendly location antidepressant drug



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190799)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: carmine insecure codepig



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49472653)



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: white kink-friendly location antidepressant drug



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49533037)



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Flirting brethren



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49533043)



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Bossy Metal Meetinghouse



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49533170)



Reply Favorite

Date: June 3rd, 2026 3:03 PM
Author: gedood persoon



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49913228)



Reply Favorite

Date: June 3rd, 2026 3:08 PM
Author: Emilio Estevez circa 2032



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49913235)



Reply Favorite

Date: June 3rd, 2026 3:20 PM
Author: Mailer Daemon



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49913261)



Reply Favorite

Date: June 3rd, 2026 4:24 PM
Author: Emilio Estevez circa 2032



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49913390)



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: aquamarine spectacular piazza

yes

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48189990)



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Sadistic Orange Point

voice of reason as always cbtp

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190802)



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: Lavender Appetizing Church Building

not as deranged as brother-in-law

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#48190004)



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: dashing cerise community account

Wife’s sister or your bros wife = deranged

wife’s bros wife = still deranged but less so

Sister of BIL or SIL not directly related to your wife = fair game except for the whole infidelity thing

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2betting#49533184)