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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?
Titillating Flushed Factory Reset Button Codepig
  10/11/24
I dunno. What if she has a nice ass?
aphrodisiac gunner background story
  10/11/24
more detail plz
Glassy kitty cat multi-billionaire
  10/11/24
...
aphrodisiac gunner background story
  10/11/24
It probably depends on how much you hate your bio parent and...
cordovan hot stage toaster
  10/11/24
do u know what a sister in law is?
At-the-ready hairless macaca plaza
  10/11/24
he's watched too much porn
talented walnut theater gaming laptop
  10/11/24
Objection, nonresponsive
cordovan hot stage toaster
  10/11/24
...
Maize Cuckoldry Piazza
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
cordovan hot stage toaster
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Shimmering associate
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Naked Exhilarant Public Bath Half-breed
  10/11/24
mostly cr
Titillating Flushed Factory Reset Button Codepig
  10/11/24
...
Pale kitty spot
  10/12/24
this is exactly why I never sleep with my wife
dashing insane menage juggernaut
  12/23/25
depends on if your wife is dead or not
talented walnut theater gaming laptop
  10/11/24
i believe this is colloquially known as "the biden rule...
Naked Exhilarant Public Bath Half-breed
  10/11/24
...
elite corner
  11/30/25
only if you don't take pictures to share with us
self-absorbed chestnut theater stage chad
  10/11/24
(martin brodeur)
Stimulating Locus
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
filthy laser beams place of business
  10/12/24
This. Plus they are always hugging and kissing you.
harsh glittery whorehouse
  10/12/24
...
self-absorbed chestnut theater stage chad
  12/23/25
Wtf
Titillating Flushed Factory Reset Button Codepig
  10/12/24
This is my life. Constant blue balls.
filthy laser beams place of business
  10/12/24
...
Glassy kitty cat multi-billionaire
  11/30/25
Is she a spicy Latina?
contagious opaque university
  10/12/24
...
elite corner
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
harsh glittery whorehouse
  10/12/24
180
Odious talking stag film mad-dog skullcap
  10/12/24
...
Irradiated Cruise Ship Puppy
  10/12/24
twist: the sil was Catherine of aragorn
haunting set
  10/12/24
If first brother was childless then this is classic Levirate...
Soul-stirring violent point windowlicker
  10/12/24
...
Irradiated Cruise Ship Puppy
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Soul-stirring violent point windowlicker
  10/12/24
...
Irradiated Cruise Ship Puppy
  10/12/24
You're doing it for the purpose of having children, through ...
Soul-stirring violent point windowlicker
  10/13/24
are we talking about your wife's sister or your brother's wi...
mustard party of the first part indian lodge
  10/12/24
How many times do we have to go over this.
Primrose dopamine
  10/12/24
...
Twisted Idea He Suggested
  10/12/24
...
elite corner
  11/30/25
...
Twisted Idea He Suggested
  12/23/25
...
Maize Cuckoldry Piazza
  12/23/25
...
topaz chapel legend
  12/23/25
yes
Brilliant rehab gay wizard
  10/12/24
voice of reason as always cbtp
Titillating Flushed Factory Reset Button Codepig
  10/12/24
not as deranged as brother-in-law
Lascivious disturbing generalized bond
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Excitant Wagecucks
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Titillating Flushed Factory Reset Button Codepig

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: aphrodisiac gunner background story

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: Glassy kitty cat multi-billionaire

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: aphrodisiac gunner background story



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: cordovan hot stage toaster

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: At-the-ready hairless macaca plaza

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: talented walnut theater gaming laptop

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: cordovan hot stage toaster

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: Maize Cuckoldry Piazza



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: cordovan hot stage toaster

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: Shimmering associate

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: Naked Exhilarant Public Bath Half-breed

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: Titillating Flushed Factory Reset Button Codepig

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: Pale kitty spot



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: dashing insane menage juggernaut

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: talented walnut theater gaming laptop

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: Naked Exhilarant Public Bath Half-breed

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: elite corner



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: self-absorbed chestnut theater stage chad

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: Stimulating Locus

(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: filthy laser beams place of business

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: harsh glittery whorehouse

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: self-absorbed chestnut theater stage chad



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Titillating Flushed Factory Reset Button Codepig

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: filthy laser beams place of business

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: Glassy kitty cat multi-billionaire



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: contagious opaque university

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: elite corner



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: harsh glittery whorehouse

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: Odious talking stag film mad-dog skullcap

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Irradiated Cruise Ship Puppy



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: haunting set

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: Soul-stirring violent point windowlicker

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: Irradiated Cruise Ship Puppy



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Soul-stirring violent point windowlicker

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: Irradiated Cruise Ship Puppy



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Soul-stirring violent point windowlicker

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: mustard party of the first part indian lodge

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: Primrose dopamine

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: Twisted Idea He Suggested



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: elite corner



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Twisted Idea He Suggested



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Maize Cuckoldry Piazza



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: topaz chapel legend



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Brilliant rehab gay wizard

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Titillating Flushed Factory Reset Button Codepig

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: Lascivious disturbing generalized bond

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: Excitant Wagecucks

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)