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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?
translucent naked reading party windowlicker
  10/11/24
I dunno. What if she has a nice ass?
Poppy Mind-boggling Church Private Investor
  10/11/24
more detail plz
red bateful boltzmann
  10/11/24
...
Poppy Mind-boggling Church Private Investor
  10/11/24
It probably depends on how much you hate your bio parent and...
Wonderful Newt
  10/11/24
do u know what a sister in law is?
Umber Hospital Foreskin
  10/11/24
he's watched too much porn
bespoke brunch
  10/11/24
Objection, nonresponsive
Wonderful Newt
  10/11/24
...
Blathering seedy candlestick maker
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Wonderful Newt
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
adventurous federal round eye international law enforcement agency
  10/11/24
sleeping with anyone within your orbit of friends & fami...
hyperactive useless brakes
  10/11/24
mostly cr
translucent naked reading party windowlicker
  10/11/24
...
Medicated Shrine Antidepressant Drug
  10/12/24
this is exactly why I never sleep with my wife
effete obsidian jap
  12/23/25
depends on if your wife is dead or not
bespoke brunch
  10/11/24
i believe this is colloquially known as "the biden rule...
hyperactive useless brakes
  10/11/24
...
Passionate Arrogant Goyim
  11/30/25
only if you don't take pictures to share with us
emerald startling fat ankles
  10/11/24
(martin brodeur)
nofapping anal ape
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
French potus church building
  10/12/24
This. Plus they are always hugging and kissing you.
Unhinged karate
  10/12/24
...
emerald startling fat ankles
  12/23/25
Wtf
translucent naked reading party windowlicker
  10/12/24
This is my life. Constant blue balls.
French potus church building
  10/12/24
...
red bateful boltzmann
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
concupiscible frozen lay
  10/12/24
...
Passionate Arrogant Goyim
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Unhinged karate
  10/12/24
180
Disturbing bronze immigrant voyeur
  10/12/24
...
Cerise Resort Cuck
  10/12/24
twist: the sil was Catherine of aragorn
swashbuckling harsh school cafeteria mother
  10/12/24
If first brother was childless then this is classic Levirate...
tan irradiated office
  10/12/24
...
Cerise Resort Cuck
  10/12/24
He's literally the closest replacement for the guy. I can't ...
tan irradiated office
  10/12/24
...
Cerise Resort Cuck
  10/12/24
You're doing it for the purpose of having children, through ...
tan irradiated office
  10/13/24
are we talking about your wife's sister or your brother's wi...
heady area striped hyena
  10/12/24
How many times do we have to go over this.
Up-to-no-good double fault meetinghouse
  10/12/24
...
Carmine deep liquid oxygen home
  10/12/24
...
Passionate Arrogant Goyim
  11/30/25
...
Carmine deep liquid oxygen home
  12/23/25
...
Blathering seedy candlestick maker
  12/23/25
...
puce submissive whorehouse
  12/23/25
...
gedood persoon
  06/03/26
...
Emilio Estevez circa 2032
  06/03/26
...
Mailer Daemon
  06/03/26
...
Emilio Estevez circa 2032
  06/03/26
yes
Indigo Hunting Ground
  10/12/24
voice of reason as always cbtp
translucent naked reading party windowlicker
  10/12/24
not as deranged as brother-in-law
nubile set
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
duck-like sickened forum
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: translucent naked reading party windowlicker

Nobody moral would do this, right? These are just jokes?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48187983)



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Poppy Mind-boggling Church Private Investor

I dunno. What if she has a nice ass?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48187985)



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: red bateful boltzmann

more detail plz

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48187988)



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: Poppy Mind-boggling Church Private Investor



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Wonderful Newt

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=2в#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Umber Hospital Foreskin

do u know what a sister in law is?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48188004)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: bespoke brunch

he's watched too much porn

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48188017)



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Wonderful Newt

Objection, nonresponsive

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48188617)



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Blathering seedy candlestick maker



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Wonderful Newt

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=2в#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: adventurous federal round eye international law enforcement agency

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=2в#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: hyperactive useless brakes

sleeping with anyone within your orbit of friends & family is insane and doomed

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: translucent naked reading party windowlicker

mostly cr

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48188040)



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Medicated Shrine Antidepressant Drug



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



Reply Favorite

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

this is exactly why I never sleep with my wife

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#49533050)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: bespoke brunch

depends on if your wife is dead or not

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48188014)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: hyperactive useless brakes

i believe this is colloquially known as "the biden rule"

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48188018)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Passionate Arrogant Goyim



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: emerald startling fat ankles

only if you don't take pictures to share with us

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48188026)



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: nofapping anal ape

(martin brodeur)

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48188717)



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: French potus church building

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=2в#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Unhinged karate

This. Plus they are always hugging and kissing you.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48189951)



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: emerald startling fat ankles



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: translucent naked reading party windowlicker

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: French potus church building

This is my life. Constant blue balls.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48190953)



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: red bateful boltzmann



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



Reply Favorite

Date: June 3rd, 2026 4:32 PM
Author: ...,,..;...,,..,..,...,,,;..,


i'm married to the younger hotter sister, and the temptation is still 100% there for the older less-hot SIL for exactly the same reasons you mentioned.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#49913429)



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: concupiscible frozen lay

Is she a spicy Latina?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48189956)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Passionate Arrogant Goyim



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Unhinged karate

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=2в#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Disturbing bronze immigrant voyeur

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Cerise Resort Cuck



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: swashbuckling harsh school cafeteria mother

twist: the sil was Catherine of aragorn

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48190647)



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: tan irradiated office

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=2в#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Cerise Resort Cuck



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: tan irradiated office

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=2в#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Cerise Resort Cuck



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: tan irradiated office

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=2в#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: heady area striped hyena

are we talking about your wife's sister or your brother's wife?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: Up-to-no-good double fault meetinghouse

How many times do we have to go over this.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48189992)



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: Carmine deep liquid oxygen home



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Passionate Arrogant Goyim



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Carmine deep liquid oxygen home



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Blathering seedy candlestick maker



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: puce submissive whorehouse



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



Reply Favorite

Date: June 3rd, 2026 3:03 PM
Author: gedood persoon



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#49913228)



Reply Favorite

Date: June 3rd, 2026 3:08 PM
Author: Emilio Estevez circa 2032



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#49913235)



Reply Favorite

Date: June 3rd, 2026 3:20 PM
Author: Mailer Daemon



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#49913261)



Reply Favorite

Date: June 3rd, 2026 4:24 PM
Author: Emilio Estevez circa 2032



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#49913390)



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Indigo Hunting Ground

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: translucent naked reading party windowlicker

voice of reason as always cbtp

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48190802)



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: nubile set

not as deranged as brother-in-law

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2в#48190004)



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: duck-like sickened forum

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=2в#49533184)