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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?
high-end reading party
  10/11/24
I dunno. What if she has a nice ass?
Unholy House
  10/11/24
more detail plz
Racy doobsian genital piercing dragon
  10/11/24
...
Unholy House
  10/11/24
It probably depends on how much you hate your bio parent and...
lavender university legend
  10/11/24
do u know what a sister in law is?
Alcoholic bateful pit alpha
  10/11/24
he's watched too much porn
Autistic ruby stag film
  10/11/24
Objection, nonresponsive
lavender university legend
  10/11/24
...
free-loading chestnut multi-billionaire pocket flask
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
lavender university legend
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Carnelian community account
  10/11/24
sleeping with anyone within your orbit of friends & fami...
geriatric coldplay fan knife
  10/11/24
mostly cr
high-end reading party
  10/11/24
...
comical theater stage main people
  10/12/24
this is exactly why I never sleep with my wife
Vivacious jap
  12/23/25
depends on if your wife is dead or not
Autistic ruby stag film
  10/11/24
i believe this is colloquially known as "the biden rule...
geriatric coldplay fan knife
  10/11/24
...
adventurous state crotch
  11/30/25
only if you don't take pictures to share with us
at-the-ready sadistic antidepressant drug
  10/11/24
(martin brodeur)
curious sienna mexican
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
bonkers school stain
  10/12/24
This. Plus they are always hugging and kissing you.
dashing zombie-like old irish cottage
  10/12/24
...
at-the-ready sadistic antidepressant drug
  12/23/25
Wtf
high-end reading party
  10/12/24
This is my life. Constant blue balls.
bonkers school stain
  10/12/24
...
Racy doobsian genital piercing dragon
  11/30/25
Is she a spicy Latina?
gay cracking newt hissy fit
  10/12/24
...
adventurous state crotch
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
dashing zombie-like old irish cottage
  10/12/24
180
glittery sex offender
  10/12/24
...
Zippy locus
  10/12/24
twist: the sil was Catherine of aragorn
razzle pervert private investor
  10/12/24
If first brother was childless then this is classic Levirate...
Misunderstood Library Dingle Berry
  10/12/24
...
Zippy locus
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Misunderstood Library Dingle Berry
  10/12/24
...
Zippy locus
  10/12/24
You're doing it for the purpose of having children, through ...
Misunderstood Library Dingle Berry
  10/13/24
are we talking about your wife's sister or your brother's wi...
concupiscible bronze stead trust fund
  10/12/24
How many times do we have to go over this.
floppy filthpig gaming laptop
  10/12/24
...
laughsome national security agency
  10/12/24
...
adventurous state crotch
  11/30/25
...
laughsome national security agency
  12/23/25
...
free-loading chestnut multi-billionaire pocket flask
  12/23/25
...
wild hunting ground
  12/23/25
yes
aromatic bright field
  10/12/24
voice of reason as always cbtp
high-end reading party
  10/12/24
not as deranged as brother-in-law
cobalt deer antler
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Contagious crackhouse quadroon
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: high-end reading party

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: Unholy House

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: Racy doobsian genital piercing dragon

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: Unholy House



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: lavender university legend

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: Alcoholic bateful pit alpha

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: Autistic ruby stag film

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: lavender university legend

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: free-loading chestnut multi-billionaire pocket flask



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: lavender university legend

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: Carnelian community account

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: geriatric coldplay fan knife

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: high-end reading party

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: comical theater stage main people



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Vivacious jap

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: Autistic ruby stag film

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: geriatric coldplay fan knife

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: adventurous state crotch



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: at-the-ready sadistic antidepressant drug

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: curious sienna mexican

(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: bonkers school stain

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: dashing zombie-like old irish cottage

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: at-the-ready sadistic antidepressant drug



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: high-end reading party

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: bonkers school stain

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: Racy doobsian genital piercing dragon



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: gay cracking newt hissy fit

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: adventurous state crotch



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: dashing zombie-like old irish cottage

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: glittery sex offender

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Zippy locus



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: razzle pervert private investor

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: Misunderstood Library Dingle Berry

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: Zippy locus



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Misunderstood Library Dingle Berry

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: Zippy locus



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Misunderstood Library Dingle Berry

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: concupiscible bronze stead trust fund

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: floppy filthpig gaming laptop

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: laughsome national security agency



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: adventurous state crotch



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: laughsome national security agency



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: free-loading chestnut multi-billionaire pocket flask



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: wild hunting ground



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: aromatic bright field

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: high-end reading party

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: cobalt deer antler

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: Contagious crackhouse quadroon

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)