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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?
Rusted Casino Sneaky Criminal
  10/11/24
I dunno. What if she has a nice ass?
violet knife lodge
  10/11/24
more detail plz
Concupiscible olive jap laser beams
  10/11/24
...
violet knife lodge
  10/11/24
It probably depends on how much you hate your bio parent and...
Puce Diverse Library
  10/11/24
do u know what a sister in law is?
floppy church building hominid
  10/11/24
he's watched too much porn
drab headpube
  10/11/24
Objection, nonresponsive
Puce Diverse Library
  10/11/24
...
cheese-eating passionate corner incel
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Puce Diverse Library
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
kink-friendly coiffed theater stage
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Light Gunner Heaven
  10/11/24
mostly cr
Rusted Casino Sneaky Criminal
  10/11/24
...
laughsome temple
  10/12/24
this is exactly why I never sleep with my wife
judgmental sanctuary lettuce
  12/23/25
depends on if your wife is dead or not
drab headpube
  10/11/24
i believe this is colloquially known as "the biden rule...
Light Gunner Heaven
  10/11/24
...
irradiated hyperventilating range juggernaut
  11/30/25
only if you don't take pictures to share with us
Razzle-dazzle Community Account
  10/11/24
(martin brodeur)
Rose thriller stead roommate
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
gay queen of the night
  10/12/24
This. Plus they are always hugging and kissing you.
amber glittery parlor
  10/12/24
...
Razzle-dazzle Community Account
  12/23/25
Wtf
Rusted Casino Sneaky Criminal
  10/12/24
This is my life. Constant blue balls.
gay queen of the night
  10/12/24
...
Concupiscible olive jap laser beams
  11/30/25
Is she a spicy Latina?
big massive field water buffalo
  10/12/24
...
irradiated hyperventilating range juggernaut
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
amber glittery parlor
  10/12/24
180
beady-eyed brunch
  10/12/24
...
Disturbing razzle university
  10/12/24
twist: the sil was Catherine of aragorn
bateful self-absorbed pistol
  10/12/24
If first brother was childless then this is classic Levirate...
Flirting arousing kitchen
  10/12/24
...
Disturbing razzle university
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Flirting arousing kitchen
  10/12/24
...
Disturbing razzle university
  10/12/24
You're doing it for the purpose of having children, through ...
Flirting arousing kitchen
  10/13/24
are we talking about your wife's sister or your brother's wi...
idiotic histrionic fanboi
  10/12/24
How many times do we have to go over this.
Sienna Effete Doctorate Philosopher-king
  10/12/24
...
Glassy mother
  10/12/24
...
irradiated hyperventilating range juggernaut
  11/30/25
...
Glassy mother
  12/23/25
...
cheese-eating passionate corner incel
  12/23/25
...
fear-inspiring indigo menage milk
  12/23/25
yes
carnelian exhilarant prole pit
  10/12/24
voice of reason as always cbtp
Rusted Casino Sneaky Criminal
  10/12/24
not as deranged as brother-in-law
Primrose dysfunction ape
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Spectacular opaque business firm
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Rusted Casino Sneaky Criminal

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: violet knife lodge

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: Concupiscible olive jap laser beams

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: violet knife lodge



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Puce Diverse Library

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: floppy church building hominid

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: drab headpube

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: Puce Diverse Library

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: cheese-eating passionate corner incel



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Puce Diverse Library

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: kink-friendly coiffed theater stage

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: Light Gunner Heaven

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: Rusted Casino Sneaky Criminal

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: laughsome temple



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: judgmental sanctuary lettuce

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: drab headpube

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: Light Gunner Heaven

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: irradiated hyperventilating range juggernaut



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Razzle-dazzle Community Account

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: Rose thriller stead roommate

(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: gay queen of the night

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: amber glittery parlor

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: Razzle-dazzle Community Account



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Rusted Casino Sneaky Criminal

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: gay queen of the night

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: Concupiscible olive jap laser beams



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: big massive field water buffalo

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: irradiated hyperventilating range juggernaut



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: amber glittery parlor

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: beady-eyed brunch

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Disturbing razzle university



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: bateful self-absorbed pistol

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: Flirting arousing kitchen

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: Disturbing razzle university



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Flirting arousing kitchen

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: Disturbing razzle university



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Flirting arousing kitchen

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: idiotic histrionic fanboi

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: Sienna Effete Doctorate Philosopher-king

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: Glassy mother



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: irradiated hyperventilating range juggernaut



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Glassy mother



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: cheese-eating passionate corner incel



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: fear-inspiring indigo menage milk



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: carnelian exhilarant prole pit

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Rusted Casino Sneaky Criminal

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: Primrose dysfunction ape

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: Spectacular opaque business firm

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)