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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?
rusted coiffed sandwich
  10/11/24
I dunno. What if she has a nice ass?
thriller massive mad-dog skullcap
  10/11/24
more detail plz
Ruby chest-beating brunch corn cake
  10/11/24
...
thriller massive mad-dog skullcap
  10/11/24
It probably depends on how much you hate your bio parent and...
garnet base
  10/11/24
do u know what a sister in law is?
Navy Senate Partner
  10/11/24
he's watched too much porn
Sinister fluffy gaping windowlicker
  10/11/24
Objection, nonresponsive
garnet base
  10/11/24
...
Supple aquamarine sound barrier
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
garnet base
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
irate marvelous codepig public bath
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Salmon soul-stirring doctorate stage
  10/11/24
mostly cr
rusted coiffed sandwich
  10/11/24
...
frisky vivacious halford garrison
  10/12/24
this is exactly why I never sleep with my wife
Blue goyim pocket flask
  12/23/25
depends on if your wife is dead or not
Sinister fluffy gaping windowlicker
  10/11/24
i believe this is colloquially known as "the biden rule...
Salmon soul-stirring doctorate stage
  10/11/24
...
diverse pea-brained electric furnace
  11/30/25
only if you don't take pictures to share with us
Indigo rebellious associate corner
  10/11/24
(martin brodeur)
chestnut roast beef digit ratio
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Orange violent box office selfie
  10/12/24
This. Plus they are always hugging and kissing you.
White orchestra pit patrolman
  10/12/24
...
Indigo rebellious associate corner
  12/23/25
Wtf
rusted coiffed sandwich
  10/12/24
This is my life. Constant blue balls.
Orange violent box office selfie
  10/12/24
...
Ruby chest-beating brunch corn cake
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Histrionic tattoo coffee pot
  10/12/24
...
diverse pea-brained electric furnace
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
White orchestra pit patrolman
  10/12/24
180
Balding talented space
  10/12/24
...
lilac soggy legal warrant
  10/12/24
twist: the sil was Catherine of aragorn
Wine doobsian office
  10/12/24
If first brother was childless then this is classic Levirate...
Titillating yellow pozpig institution
  10/12/24
...
lilac soggy legal warrant
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Titillating yellow pozpig institution
  10/12/24
...
lilac soggy legal warrant
  10/12/24
You're doing it for the purpose of having children, through ...
Titillating yellow pozpig institution
  10/13/24
are we talking about your wife's sister or your brother's wi...
Excitant striped hyena indirect expression
  10/12/24
How many times do we have to go over this.
Twisted Headpube
  10/12/24
...
harsh cream location background story
  10/12/24
...
diverse pea-brained electric furnace
  11/30/25
...
harsh cream location background story
  12/23/25
...
Supple aquamarine sound barrier
  12/23/25
...
poppy demanding chad theater
  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
Hairraiser Smoky Piazza
  10/12/24
voice of reason as always cbtp
rusted coiffed sandwich
  10/12/24
not as deranged as brother-in-law
flatulent cuck principal's office
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
spectacular ticket booth death wish
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: rusted coiffed sandwich

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: thriller massive mad-dog skullcap

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Ruby chest-beating brunch corn cake

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: thriller massive mad-dog skullcap



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: garnet base

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...id.#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Navy Senate Partner

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Sinister fluffy gaping windowlicker

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: garnet base

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Supple aquamarine sound barrier



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: garnet base

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...id.#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: irate marvelous codepig public bath

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...id.#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: Salmon soul-stirring doctorate stage

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...id.#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: rusted coiffed sandwich

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: frisky vivacious halford garrison



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Blue goyim pocket flask

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Sinister fluffy gaping windowlicker

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Salmon soul-stirring doctorate stage

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: diverse pea-brained electric furnace



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Indigo rebellious associate corner

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: chestnut roast beef digit ratio

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Orange violent box office selfie

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...id.#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: White orchestra pit patrolman

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Indigo rebellious associate corner



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: rusted coiffed sandwich

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Orange violent box office selfie

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Ruby chest-beating brunch corn cake



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Histrionic tattoo coffee pot

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: diverse pea-brained electric furnace



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: White orchestra pit patrolman

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...id.#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Balding talented space

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: lilac soggy legal warrant



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Wine doobsian office

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Titillating yellow pozpig institution

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...id.#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: lilac soggy legal warrant



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Titillating yellow pozpig institution

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...id.#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: lilac soggy legal warrant



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Titillating yellow pozpig institution

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...id.#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Excitant striped hyena indirect expression

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...id.#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: Twisted Headpube

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: harsh cream location background story



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: diverse pea-brained electric furnace



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: harsh cream location background story



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Supple aquamarine sound barrier



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: poppy demanding chad theater



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Hairraiser Smoky Piazza

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: rusted coiffed sandwich

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: flatulent cuck principal's office

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: spectacular ticket booth death wish

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...id.#49533184)