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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?
gaped appetizing garrison karate
  10/11/24
I dunno. What if she has a nice ass?
Violent rough-skinned fat ankles
  10/11/24
more detail plz
crystalline aphrodisiac temple juggernaut
  10/11/24
...
Violent rough-skinned fat ankles
  10/11/24
It probably depends on how much you hate your bio parent and...
Maniacal depressive
  10/11/24
do u know what a sister in law is?
naked national security agency
  10/11/24
he's watched too much porn
indigo stimulating corn cake
  10/11/24
Objection, nonresponsive
Maniacal depressive
  10/11/24
...
excitant spot cumskin
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Maniacal depressive
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
demanding market
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Filthy school cafeteria
  10/11/24
mostly cr
gaped appetizing garrison karate
  10/11/24
...
Racy parlour
  10/12/24
this is exactly why I never sleep with my wife
low-t diverse mediation crackhouse
  12/23/25
depends on if your wife is dead or not
indigo stimulating corn cake
  10/11/24
i believe this is colloquially known as "the biden rule...
Filthy school cafeteria
  10/11/24
...
Deranged heaven
  11/30/25
only if you don't take pictures to share with us
Alcoholic home
  10/11/24
(martin brodeur)
misunderstood milk candlestick maker
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
brilliant frozen private investor
  10/12/24
This. Plus they are always hugging and kissing you.
disgusting fear-inspiring famous landscape painting
  10/12/24
...
Alcoholic home
  12/23/25
Wtf
gaped appetizing garrison karate
  10/12/24
This is my life. Constant blue balls.
brilliant frozen private investor
  10/12/24
...
crystalline aphrodisiac temple juggernaut
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Erotic Marvelous Church Building Associate
  10/12/24
...
Deranged heaven
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
disgusting fear-inspiring famous landscape painting
  10/12/24
180
bonkers multi-colored brunch
  10/12/24
...
irate learning disabled orchestra pit puppy
  10/12/24
twist: the sil was Catherine of aragorn
ivory business firm
  10/12/24
If first brother was childless then this is classic Levirate...
Vibrant dog poop
  10/12/24
...
irate learning disabled orchestra pit puppy
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Vibrant dog poop
  10/12/24
...
irate learning disabled orchestra pit puppy
  10/12/24
You're doing it for the purpose of having children, through ...
Vibrant dog poop
  10/13/24
are we talking about your wife's sister or your brother's wi...
Rusted floppy round eye new version
  10/12/24
How many times do we have to go over this.
Bateful Disturbing Bbw
  10/12/24
...
Amber Motley Senate
  10/12/24
...
Deranged heaven
  11/30/25
...
Amber Motley Senate
  12/23/25
...
excitant spot cumskin
  12/23/25
...
Stirring Stag Film Really Tough Guy
  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
hideous cerebral university
  10/12/24
voice of reason as always cbtp
gaped appetizing garrison karate
  10/12/24
not as deranged as brother-in-law
Sadistic chest-beating goyim messiness
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
High-end forum
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: gaped appetizing garrison karate

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: Violent rough-skinned fat ankles

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: crystalline aphrodisiac temple juggernaut

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: Violent rough-skinned fat ankles



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Maniacal depressive

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: naked national security agency

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: indigo stimulating corn cake

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: Maniacal depressive

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: excitant spot cumskin



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Maniacal depressive

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: demanding market

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: Filthy school cafeteria

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: gaped appetizing garrison karate

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: Racy parlour



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: low-t diverse mediation crackhouse

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: indigo stimulating corn cake

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: Filthy school cafeteria

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: Deranged heaven



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Alcoholic home

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: misunderstood milk candlestick maker

(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: brilliant frozen private investor

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: disgusting fear-inspiring famous landscape painting

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: Alcoholic home



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: gaped appetizing garrison karate

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: brilliant frozen private investor

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: crystalline aphrodisiac temple juggernaut



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Erotic Marvelous Church Building Associate

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: Deranged heaven



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: disgusting fear-inspiring famous landscape painting

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: bonkers multi-colored 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: irate learning disabled orchestra pit puppy



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: ivory business firm

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: Vibrant dog poop

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: irate learning disabled orchestra pit puppy



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Vibrant dog poop

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: irate learning disabled orchestra pit puppy



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Vibrant dog poop

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: Rusted floppy round eye new version

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: Bateful Disturbing Bbw

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: Amber Motley Senate



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Deranged heaven



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Amber Motley Senate



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: excitant spot cumskin



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Stirring Stag Film Really Tough Guy



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



Reply Favorite

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



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



Reply Favorite

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



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: hideous cerebral university

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: gaped appetizing garrison karate

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: Sadistic chest-beating goyim messiness

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: High-end 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=2),#49533184)