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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?
green stage hissy fit
  10/11/24
I dunno. What if she has a nice ass?
mustard parlor
  10/11/24
more detail plz
Razzle violent dingle berry
  10/11/24
...
mustard parlor
  10/11/24
It probably depends on how much you hate your bio parent and...
Snowy bateful puppy location
  10/11/24
do u know what a sister in law is?
Mint Gunner
  10/11/24
he's watched too much porn
Iridescent vivacious gaming laptop stag film
  10/11/24
Objection, nonresponsive
Snowy bateful puppy location
  10/11/24
...
Jet state cuck
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Snowy bateful puppy location
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Hyperventilating Parlour
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Vigorous depressive
  10/11/24
mostly cr
green stage hissy fit
  10/11/24
...
Crystalline Cruise Ship Pervert
  10/12/24
this is exactly why I never sleep with my wife
odious native messiness
  12/23/25
depends on if your wife is dead or not
Iridescent vivacious gaming laptop stag film
  10/11/24
i believe this is colloquially known as "the biden rule...
Vigorous depressive
  10/11/24
...
Very tactful chapel
  11/30/25
only if you don't take pictures to share with us
trip dopamine
  10/11/24
(martin brodeur)
duck-like razzmatazz son of senegal
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
cobalt international law enforcement agency
  10/12/24
This. Plus they are always hugging and kissing you.
Sooty talented orchestra pit
  10/12/24
...
trip dopamine
  12/23/25
Wtf
green stage hissy fit
  10/12/24
This is my life. Constant blue balls.
cobalt international law enforcement agency
  10/12/24
...
Razzle violent dingle berry
  11/30/25
Is she a spicy Latina?
Brass nursing home antidepressant drug
  10/12/24
...
Very tactful chapel
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Sooty talented orchestra pit
  10/12/24
180
At-the-ready startling center
  10/12/24
...
aphrodisiac university
  10/12/24
twist: the sil was Catherine of aragorn
maize field reading party
  10/12/24
If first brother was childless then this is classic Levirate...
Federal resort black woman
  10/12/24
...
aphrodisiac university
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Federal resort black woman
  10/12/24
...
aphrodisiac university
  10/12/24
You're doing it for the purpose of having children, through ...
Federal resort black woman
  10/13/24
are we talking about your wife's sister or your brother's wi...
pea-brained wine area
  10/12/24
How many times do we have to go over this.
Boyish Sexy Theatre Double Fault
  10/12/24
...
Apoplectic Rusted Jewess Multi-billionaire
  10/12/24
...
Very tactful chapel
  11/30/25
...
Apoplectic Rusted Jewess Multi-billionaire
  12/23/25
...
Jet state cuck
  12/23/25
...
kink-friendly french chef
  12/23/25
yes
Pearl hyperactive point mexican
  10/12/24
voice of reason as always cbtp
green stage hissy fit
  10/12/24
not as deranged as brother-in-law
Mildly autistic yellow ticket booth police squad
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Unhinged Hominid
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: green stage hissy fit

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: mustard parlor

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: Razzle violent dingle berry

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: mustard parlor



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Snowy bateful puppy location

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: Mint Gunner

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: Iridescent vivacious gaming laptop 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: Snowy bateful puppy location

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: Jet state cuck



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Snowy bateful puppy location

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: Hyperventilating Parlour

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: Vigorous depressive

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: green stage hissy fit

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: Crystalline Cruise Ship Pervert



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: odious native messiness

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: Iridescent vivacious gaming laptop 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: Vigorous depressive

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: Very tactful chapel



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



Reply Favorite

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

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: duck-like razzmatazz son of senegal

(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: cobalt international law enforcement agency

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: Sooty talented orchestra pit

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: trip dopamine



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: green stage hissy fit

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: cobalt international law enforcement agency

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: Razzle violent dingle berry



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Brass nursing home antidepressant drug

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: Very tactful chapel



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Sooty talented orchestra pit

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: At-the-ready startling center

180

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



Reply Favorite

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



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: maize field reading party

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: Federal resort black woman

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: aphrodisiac university



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Federal resort black woman

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: aphrodisiac university



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Federal resort black woman

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: pea-brained wine area

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 Sexy Theatre Double Fault

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: Apoplectic Rusted Jewess Multi-billionaire



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Very tactful chapel



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Apoplectic Rusted Jewess Multi-billionaire



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Jet state cuck



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: kink-friendly french chef



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Pearl hyperactive point mexican

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: green stage hissy fit

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: Mildly autistic yellow ticket booth police squad

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: Unhinged Hominid

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)