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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?
Titillating deer antler toilet seat
  10/11/24
I dunno. What if she has a nice ass?
maize ladyboy den
  10/11/24
more detail plz
Ivory autistic stead
  10/11/24
...
maize ladyboy den
  10/11/24
It probably depends on how much you hate your bio parent and...
confused plaza twinkling uncleanness
  10/11/24
do u know what a sister in law is?
big-titted big masturbator address
  10/11/24
he's watched too much porn
Passionate slap-happy bawdyhouse
  10/11/24
Objection, nonresponsive
confused plaza twinkling uncleanness
  10/11/24
...
purple rough-skinned dopamine
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
confused plaza twinkling uncleanness
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
irradiated hot blood rage orchestra pit
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Smoky Shrine Cuckoldry
  10/11/24
mostly cr
Titillating deer antler toilet seat
  10/11/24
...
Trip pocket flask institution
  10/12/24
this is exactly why I never sleep with my wife
Jet up-to-no-good piazza
  12/23/25
depends on if your wife is dead or not
Passionate slap-happy bawdyhouse
  10/11/24
i believe this is colloquially known as "the biden rule...
Smoky Shrine Cuckoldry
  10/11/24
...
french state mediation
  11/30/25
only if you don't take pictures to share with us
Histrionic Dingle Berry
  10/11/24
(martin brodeur)
Ocher narrow-minded heaven
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Razzle foreskin newt
  10/12/24
This. Plus they are always hugging and kissing you.
frisky trump supporter pervert
  10/12/24
...
Histrionic Dingle Berry
  12/23/25
Wtf
Titillating deer antler toilet seat
  10/12/24
This is my life. Constant blue balls.
Razzle foreskin newt
  10/12/24
...
Ivory autistic stead
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Hairraiser Public Bath
  10/12/24
...
french state mediation
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
frisky trump supporter pervert
  10/12/24
180
dark out-of-control messiness kitchen
  10/12/24
...
Nudist haunting queen of the night doctorate
  10/12/24
twist: the sil was Catherine of aragorn
wonderful gaping national security agency
  10/12/24
If first brother was childless then this is classic Levirate...
Gay elite indian lodge
  10/12/24
...
Nudist haunting queen of the night doctorate
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Gay elite indian lodge
  10/12/24
...
Nudist haunting queen of the night doctorate
  10/12/24
You're doing it for the purpose of having children, through ...
Gay elite indian lodge
  10/13/24
are we talking about your wife's sister or your brother's wi...
buck-toothed hyperventilating set
  10/12/24
How many times do we have to go over this.
Yellow spectacular house
  10/12/24
...
Fragrant Space
  10/12/24
...
french state mediation
  11/30/25
...
Fragrant Space
  12/23/25
...
purple rough-skinned dopamine
  12/23/25
...
chrome odious lodge community account
  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
Federal transparent stag film
  10/12/24
voice of reason as always cbtp
Titillating deer antler toilet seat
  10/12/24
not as deranged as brother-in-law
Slate High-end Factory Reset Button
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Chest-beating rebellious gay wizard school cafeteria
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Titillating deer antler toilet seat

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: maize ladyboy den

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: Ivory autistic stead

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: maize ladyboy den



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: confused plaza twinkling uncleanness

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: big-titted big masturbator address

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: Passionate slap-happy bawdyhouse

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: confused plaza twinkling uncleanness

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: purple rough-skinned dopamine



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: confused plaza twinkling uncleanness

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: irradiated hot blood rage orchestra pit

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: Smoky Shrine Cuckoldry

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: Titillating deer antler toilet seat

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: Trip pocket flask institution



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Jet up-to-no-good piazza

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: Passionate slap-happy bawdyhouse

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: Smoky Shrine Cuckoldry

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: french state mediation



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Histrionic Dingle Berry

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: Ocher narrow-minded heaven

(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: Razzle foreskin newt

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: frisky trump supporter pervert

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: Histrionic Dingle Berry



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Titillating deer antler toilet seat

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Razzle foreskin newt

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: Ivory autistic stead



(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: Hairraiser Public Bath

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: french state mediation



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: frisky trump supporter pervert

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: dark out-of-control messiness kitchen

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Nudist haunting queen of the night doctorate



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: wonderful gaping national security agency

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: Gay elite indian lodge

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: Nudist haunting queen of the night doctorate



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Gay elite indian lodge

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: Nudist haunting queen of the night doctorate



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Gay elite indian lodge

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: buck-toothed hyperventilating set

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: Yellow spectacular house

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: Fragrant Space



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: french state mediation



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Fragrant Space



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: purple rough-skinned dopamine



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: chrome odious lodge community account



(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: Federal transparent stag film

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Titillating deer antler toilet seat

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: Slate High-end Factory Reset Button

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: Chest-beating rebellious gay wizard school cafeteria

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)