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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?
Puce cracking ceo
  10/11/24
I dunno. What if she has a nice ass?
salmon beady-eyed area
  10/11/24
more detail plz
Bespoke hominid
  10/11/24
...
salmon beady-eyed area
  10/11/24
It probably depends on how much you hate your bio parent and...
Outnumbered Gas Station Background Story
  10/11/24
do u know what a sister in law is?
Floppy Fighting Trailer Park
  10/11/24
he's watched too much porn
Flesh Irradiated Nursing Home Idea He Suggested
  10/11/24
Objection, nonresponsive
Outnumbered Gas Station Background Story
  10/11/24
...
Contagious Violent Dilemma
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Outnumbered Gas Station Background Story
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Stimulating skinny woman
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Offensive green cuckold
  10/11/24
mostly cr
Puce cracking ceo
  10/11/24
...
charcoal corner
  10/12/24
this is exactly why I never sleep with my wife
Twinkling black woman
  12/23/25
depends on if your wife is dead or not
Flesh Irradiated Nursing Home Idea He Suggested
  10/11/24
i believe this is colloquially known as "the biden rule...
Offensive green cuckold
  10/11/24
...
Provocative genital piercing
  11/30/25
only if you don't take pictures to share with us
greedy stead
  10/11/24
(martin brodeur)
talented voyeur selfie
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Ocher fiercely-loyal menage
  10/12/24
This. Plus they are always hugging and kissing you.
Razzle-dazzle Lodge Psychic
  10/12/24
...
greedy stead
  12/23/25
Wtf
Puce cracking ceo
  10/12/24
This is my life. Constant blue balls.
Ocher fiercely-loyal menage
  10/12/24
...
Bespoke hominid
  11/30/25
Is she a spicy Latina?
poppy address
  10/12/24
...
Provocative genital piercing
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Razzle-dazzle Lodge Psychic
  10/12/24
180
judgmental meetinghouse dragon
  10/12/24
...
French internet-worthy rehab sweet tailpipe
  10/12/24
twist: the sil was Catherine of aragorn
Razzle bearded liquid oxygen
  10/12/24
If first brother was childless then this is classic Levirate...
vengeful buff newt
  10/12/24
...
French internet-worthy rehab sweet tailpipe
  10/12/24
He's literally the closest replacement for the guy. I can't ...
vengeful buff newt
  10/12/24
...
French internet-worthy rehab sweet tailpipe
  10/12/24
You're doing it for the purpose of having children, through ...
vengeful buff newt
  10/13/24
are we talking about your wife's sister or your brother's wi...
walnut swashbuckling double fault multi-billionaire
  10/12/24
How many times do we have to go over this.
Blue Nudist Incel Sanctuary
  10/12/24
...
Lilac nubile garrison mediation
  10/12/24
...
Provocative genital piercing
  11/30/25
...
Lilac nubile garrison mediation
  12/23/25
...
Contagious Violent Dilemma
  12/23/25
...
multi-colored tank hairy legs
  12/23/25
yes
Hairraiser locale new version
  10/12/24
voice of reason as always cbtp
Puce cracking ceo
  10/12/24
not as deranged as brother-in-law
disturbing charismatic corn cake
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
ebony international law enforcement agency old irish cottage
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Puce cracking ceo

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: salmon beady-eyed area

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Bespoke hominid

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: salmon beady-eyed area



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Outnumbered Gas Station Background Story

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/en-en#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Floppy Fighting Trailer Park

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Flesh Irradiated Nursing Home Idea He Suggested

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Outnumbered Gas Station Background Story

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Contagious Violent Dilemma



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Outnumbered Gas Station Background Story

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/en-en#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: Stimulating skinny woman

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/en-en#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: Offensive green cuckold

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/en-en#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Puce cracking ceo

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: charcoal corner



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Twinkling black woman

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Flesh Irradiated Nursing Home Idea He Suggested

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Offensive green cuckold

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Provocative genital piercing



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: greedy stead

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: talented voyeur selfie

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Ocher fiercely-loyal menage

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/en-en#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Razzle-dazzle Lodge Psychic

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: greedy stead



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Puce cracking ceo

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Ocher fiercely-loyal menage

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Bespoke hominid



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: poppy address

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Provocative genital piercing



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Razzle-dazzle Lodge Psychic

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/en-en#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: judgmental meetinghouse dragon

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: French internet-worthy rehab sweet tailpipe



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Razzle bearded liquid oxygen

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: vengeful buff newt

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/en-en#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: French internet-worthy rehab sweet tailpipe



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: vengeful buff newt

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/en-en#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: French internet-worthy rehab sweet tailpipe



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: vengeful buff newt

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/en-en#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: walnut swashbuckling double fault multi-billionaire

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/en-en#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: Blue Nudist Incel Sanctuary

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: Lilac nubile garrison mediation



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Provocative genital piercing



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Lilac nubile garrison mediation



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Contagious Violent Dilemma



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: multi-colored tank hairy legs



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Hairraiser locale new version

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Puce cracking ceo

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: disturbing charismatic corn cake

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: ebony international law enforcement agency old irish cottage

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/en-en#49533184)