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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?
Jade 180 Menage
  10/11/24
I dunno. What if she has a nice ass?
Light Office Multi-billionaire
  10/11/24
more detail plz
flickering plaza
  10/11/24
...
Light Office Multi-billionaire
  10/11/24
It probably depends on how much you hate your bio parent and...
soul-stirring pisswyrm pit
  10/11/24
do u know what a sister in law is?
Gold Kitchen
  10/11/24
he's watched too much porn
Bipolar crackhouse ape
  10/11/24
Objection, nonresponsive
soul-stirring pisswyrm pit
  10/11/24
...
Motley internal respiration nibblets
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
soul-stirring pisswyrm pit
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Effete hairraiser sex offender
  10/11/24
sleeping with anyone within your orbit of friends & fami...
boyish windowlicker partner
  10/11/24
mostly cr
Jade 180 Menage
  10/11/24
...
Puce vivacious love of her life parlour
  10/12/24
this is exactly why I never sleep with my wife
Contagious hell
  12/23/25
depends on if your wife is dead or not
Bipolar crackhouse ape
  10/11/24
i believe this is colloquially known as "the biden rule...
boyish windowlicker partner
  10/11/24
...
slap-happy snowy hissy fit set
  11/30/25
only if you don't take pictures to share with us
vibrant gunner
  10/11/24
(martin brodeur)
Underhanded heady parlor
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Bat-shit-crazy mint casino wagecucks
  10/12/24
This. Plus they are always hugging and kissing you.
histrionic idea he suggested personal credit line
  10/12/24
...
vibrant gunner
  12/23/25
Wtf
Jade 180 Menage
  10/12/24
This is my life. Constant blue balls.
Bat-shit-crazy mint casino wagecucks
  10/12/24
...
flickering plaza
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
crusty slate resort national security agency
  10/12/24
...
slap-happy snowy hissy fit set
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
histrionic idea he suggested personal credit line
  10/12/24
180
racy buck-toothed tattoo
  10/12/24
...
Bistre disturbing boiling water station
  10/12/24
twist: the sil was Catherine of aragorn
doobsian mauve dysfunction
  10/12/24
If first brother was childless then this is classic Levirate...
Silver jet-lagged property party of the first part
  10/12/24
...
Bistre disturbing boiling water station
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Silver jet-lagged property party of the first part
  10/12/24
...
Bistre disturbing boiling water station
  10/12/24
You're doing it for the purpose of having children, through ...
Silver jet-lagged property party of the first part
  10/13/24
are we talking about your wife's sister or your brother's wi...
Swashbuckling school doctorate
  10/12/24
How many times do we have to go over this.
green state old irish cottage
  10/12/24
...
impressive passionate national
  10/12/24
...
slap-happy snowy hissy fit set
  11/30/25
...
impressive passionate national
  12/23/25
...
Motley internal respiration nibblets
  12/23/25
...
bateful sticky filthpig
  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
odious water buffalo really tough guy
  10/12/24
voice of reason as always cbtp
Jade 180 Menage
  10/12/24
not as deranged as brother-in-law
provocative marketing idea fat ankles
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
cordovan excitant stage
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Jade 180 Menage

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: Light Office Multi-billionaire

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: flickering plaza

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: Light Office Multi-billionaire



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: soul-stirring pisswyrm pit

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: Gold Kitchen

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: Bipolar crackhouse ape

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: soul-stirring pisswyrm pit

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: Motley internal respiration nibblets



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: soul-stirring pisswyrm pit

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: Effete hairraiser sex offender

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: boyish windowlicker partner

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: Jade 180 Menage

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: Puce vivacious love of her life parlour



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Contagious hell

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: Bipolar crackhouse ape

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: boyish windowlicker partner

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: slap-happy snowy hissy fit set



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: vibrant gunner

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: Underhanded heady parlor

(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: Bat-shit-crazy mint casino wagecucks

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: histrionic idea he suggested personal credit line

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: vibrant gunner



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Jade 180 Menage

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Bat-shit-crazy mint casino wagecucks

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: flickering plaza



(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: crusty slate resort national security agency

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: slap-happy snowy hissy fit set



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: histrionic idea he suggested personal credit line

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: racy buck-toothed tattoo

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Bistre disturbing boiling water station



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: doobsian mauve dysfunction

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: Silver jet-lagged property party of the first part

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: Bistre disturbing boiling water station



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Silver jet-lagged property party of the first part

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: Bistre disturbing boiling water station



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Silver jet-lagged property party of the first part

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: Swashbuckling school doctorate

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: green state old irish cottage

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: impressive passionate national



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: slap-happy snowy hissy fit set



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: impressive passionate national



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Motley internal respiration nibblets



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: bateful sticky filthpig



(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: odious water buffalo really tough guy

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Jade 180 Menage

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: provocative marketing idea fat ankles

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: cordovan excitant stage

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)