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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?
aggressive arousing principal's office
  10/11/24
I dunno. What if she has a nice ass?
Mustard excitant patrolman
  10/11/24
more detail plz
talented antidepressant drug
  10/11/24
...
Mustard excitant patrolman
  10/11/24
It probably depends on how much you hate your bio parent and...
Angry Volcanic Crater State
  10/11/24
do u know what a sister in law is?
bearded confused background story space
  10/11/24
he's watched too much porn
Bright provocative spot
  10/11/24
Objection, nonresponsive
Angry Volcanic Crater State
  10/11/24
...
Alcoholic Resort
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Angry Volcanic Crater State
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Stirring flatulent temple haunted graveyard
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Dashing masturbator
  10/11/24
mostly cr
aggressive arousing principal's office
  10/11/24
...
purple exciting crackhouse
  10/12/24
this is exactly why I never sleep with my wife
fragrant big-titted bawdyhouse
  12/23/25
depends on if your wife is dead or not
Bright provocative spot
  10/11/24
i believe this is colloquially known as "the biden rule...
Dashing masturbator
  10/11/24
...
Wonderful national
  11/30/25
only if you don't take pictures to share with us
awkward pocket flask genital piercing
  10/11/24
(martin brodeur)
smoky coffee pot
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Mauve multi-colored shrine yarmulke
  10/12/24
This. Plus they are always hugging and kissing you.
crystalline goal in life
  10/12/24
...
awkward pocket flask genital piercing
  12/23/25
Wtf
aggressive arousing principal's office
  10/12/24
This is my life. Constant blue balls.
Mauve multi-colored shrine yarmulke
  10/12/24
...
talented antidepressant drug
  11/30/25
Is she a spicy Latina?
cruel-hearted self-absorbed shitlib
  10/12/24
...
Wonderful national
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
crystalline goal in life
  10/12/24
180
Hairraiser Stage
  10/12/24
...
Shimmering Theatre
  10/12/24
twist: the sil was Catherine of aragorn
fishy casino
  10/12/24
If first brother was childless then this is classic Levirate...
frum mahogany round eye
  10/12/24
...
Shimmering Theatre
  10/12/24
He's literally the closest replacement for the guy. I can't ...
frum mahogany round eye
  10/12/24
...
Shimmering Theatre
  10/12/24
You're doing it for the purpose of having children, through ...
frum mahogany round eye
  10/13/24
are we talking about your wife's sister or your brother's wi...
maize people who are hurt
  10/12/24
How many times do we have to go over this.
disgusting coral roast beef regret
  10/12/24
...
Lascivious Faggot Firefighter Scourge Upon The Earth
  10/12/24
...
Wonderful national
  11/30/25
...
Lascivious Faggot Firefighter Scourge Upon The Earth
  12/23/25
...
Alcoholic Resort
  12/23/25
...
cream beady-eyed philosopher-king chad
  12/23/25
yes
vigorous khaki half-breed puppy
  10/12/24
voice of reason as always cbtp
aggressive arousing principal's office
  10/12/24
not as deranged as brother-in-law
Elite Immigrant Useless Brakes
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Deranged Base Faggotry
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: aggressive arousing principal's office

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 excitant patrolman

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: talented antidepressant drug

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 excitant patrolman



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Angry Volcanic Crater State

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: bearded confused background story space

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: Bright provocative spot

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: Angry Volcanic Crater State

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: Alcoholic Resort



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Angry Volcanic Crater State

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: Stirring flatulent temple haunted graveyard

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: Dashing masturbator

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: aggressive arousing principal's office

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: purple exciting crackhouse



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: fragrant big-titted bawdyhouse

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: Bright provocative spot

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: Dashing masturbator

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: Wonderful national



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: awkward pocket flask genital piercing

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: smoky coffee pot

(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: Mauve multi-colored shrine yarmulke

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: crystalline goal in life

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: awkward pocket flask genital piercing



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: aggressive arousing principal's office

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Mauve multi-colored shrine yarmulke

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: talented antidepressant drug



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: cruel-hearted self-absorbed shitlib

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: Wonderful national



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: crystalline goal in life

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: Hairraiser Stage

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Shimmering Theatre



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: fishy casino

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: frum mahogany round eye

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: Shimmering Theatre



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: frum mahogany round eye

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: Shimmering Theatre



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: frum mahogany round eye

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: maize people who are hurt

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: disgusting coral roast beef regret

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: Lascivious Faggot Firefighter Scourge Upon The Earth



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Wonderful national



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Lascivious Faggot Firefighter Scourge Upon The Earth



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Alcoholic Resort



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: cream beady-eyed philosopher-king chad



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: vigorous khaki half-breed puppy

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: aggressive arousing principal's office

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: Elite Immigrant Useless Brakes

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: Deranged Base Faggotry

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)