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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?
floppy yellow hall goyim
  10/11/24
I dunno. What if she has a nice ass?
Jet Razzle-dazzle Station
  10/11/24
more detail plz
duck-like whorehouse puppy
  10/11/24
...
Jet Razzle-dazzle Station
  10/11/24
It probably depends on how much you hate your bio parent and...
Rough-skinned sick ratface
  10/11/24
do u know what a sister in law is?
internet-worthy liquid oxygen trailer park
  10/11/24
he's watched too much porn
comical abode
  10/11/24
Objection, nonresponsive
Rough-skinned sick ratface
  10/11/24
...
ivory mood
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Rough-skinned sick ratface
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
wonderful gold garrison headpube
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Fragrant coiffed corn cake
  10/11/24
mostly cr
floppy yellow hall goyim
  10/11/24
...
poppy toaster shrine
  10/12/24
this is exactly why I never sleep with my wife
rambunctious tank
  12/23/25
depends on if your wife is dead or not
comical abode
  10/11/24
i believe this is colloquially known as "the biden rule...
Fragrant coiffed corn cake
  10/11/24
...
thirsty metal goal in life
  11/30/25
only if you don't take pictures to share with us
Razzmatazz market
  10/11/24
(martin brodeur)
concupiscible chocolate forum
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
exciting idiotic kitty skinny woman
  10/12/24
This. Plus they are always hugging and kissing you.
Diverse anal therapy
  10/12/24
...
Razzmatazz market
  12/23/25
Wtf
floppy yellow hall goyim
  10/12/24
This is my life. Constant blue balls.
exciting idiotic kitty skinny woman
  10/12/24
...
duck-like whorehouse puppy
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Racy mental disorder
  10/12/24
...
thirsty metal goal in life
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Diverse anal therapy
  10/12/24
180
Navy laughsome trust fund
  10/12/24
...
Soul-stirring greedy jap
  10/12/24
twist: the sil was Catherine of aragorn
snowy fat ankles
  10/12/24
If first brother was childless then this is classic Levirate...
Stimulating Violet Rehab Quadroon
  10/12/24
...
Soul-stirring greedy jap
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Stimulating Violet Rehab Quadroon
  10/12/24
...
Soul-stirring greedy jap
  10/12/24
You're doing it for the purpose of having children, through ...
Stimulating Violet Rehab Quadroon
  10/13/24
are we talking about your wife's sister or your brother's wi...
Opaque resort
  10/12/24
How many times do we have to go over this.
boyish crusty theater stage queen of the night
  10/12/24
...
Topaz glittery stage
  10/12/24
...
thirsty metal goal in life
  11/30/25
...
Topaz glittery stage
  12/23/25
...
ivory mood
  12/23/25
...
Arousing Menage
  12/23/25
...
gedood persoon
  06/03/26
...
Bellevue therapy dog tp
  06/03/26
...
Mailer Daemon
  06/03/26
...
Bellevue therapy dog tp
  06/03/26
yes
Talking alpha
  10/12/24
voice of reason as always cbtp
floppy yellow hall goyim
  10/12/24
not as deranged as brother-in-law
Bronze razzle base
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Magenta house new version
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: floppy yellow hall goyim

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Jet Razzle-dazzle Station

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: duck-like whorehouse puppy

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: Jet Razzle-dazzle Station



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Rough-skinned sick ratface

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=2#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: internet-worthy liquid oxygen trailer park

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: comical abode

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Rough-skinned sick ratface

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: ivory mood



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Rough-skinned sick ratface

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=2#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: wonderful gold garrison headpube

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=2#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: Fragrant coiffed corn cake

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

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



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: floppy yellow hall goyim

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: poppy toaster shrine



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: rambunctious tank

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: comical abode

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Fragrant coiffed corn cake

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: thirsty metal goal in life



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Razzmatazz market

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: concupiscible chocolate forum

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: exciting idiotic kitty skinny woman

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=2#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Diverse anal therapy

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Razzmatazz market



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: floppy yellow hall goyim

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: exciting idiotic kitty skinny woman

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: duck-like whorehouse puppy



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Racy mental disorder

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: thirsty metal goal in life



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Diverse anal therapy

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=2#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Navy laughsome trust fund

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Soul-stirring greedy jap



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: snowy fat ankles

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Stimulating Violet Rehab Quadroon

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=2#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Soul-stirring greedy jap



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Stimulating Violet Rehab Quadroon

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=2#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Soul-stirring greedy jap



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Stimulating Violet Rehab Quadroon

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=2#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Opaque resort

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

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



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: boyish crusty theater stage queen of the night

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: Topaz glittery stage



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: thirsty metal goal in life



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Topaz glittery stage



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: ivory mood



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Arousing Menage



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



Reply Favorite

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



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



Reply Favorite

Date: June 3rd, 2026 3:08 PM
Author: Bellevue therapy dog tp



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



Reply Favorite

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



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



Reply Favorite

Date: June 3rd, 2026 4:24 PM
Author: Bellevue therapy dog tp



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Talking alpha

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: floppy yellow hall goyim

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: Bronze razzle base

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: Magenta house new version

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=2#49533184)