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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?
Aquamarine Confused Associate Travel Guidebook
  10/11/24
I dunno. What if she has a nice ass?
rose adventurous cruise ship dysfunction
  10/11/24
more detail plz
Smoky ticket booth
  10/11/24
...
rose adventurous cruise ship dysfunction
  10/11/24
It probably depends on how much you hate your bio parent and...
Motley Bright Community Account
  10/11/24
do u know what a sister in law is?
Alcoholic Selfie
  10/11/24
he's watched too much porn
racy hairless center
  10/11/24
Objection, nonresponsive
Motley Bright Community Account
  10/11/24
...
hilarious vibrant mexican ratface
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Motley Bright Community Account
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
abnormal mildly autistic menage generalized bond
  10/11/24
sleeping with anyone within your orbit of friends & fami...
impressive kitty
  10/11/24
mostly cr
Aquamarine Confused Associate Travel Guidebook
  10/11/24
...
Marvelous People Who Are Hurt
  10/12/24
this is exactly why I never sleep with my wife
vermilion irradiated cuckoldry
  12/23/25
depends on if your wife is dead or not
racy hairless center
  10/11/24
i believe this is colloquially known as "the biden rule...
impressive kitty
  10/11/24
...
Fiercely-loyal charismatic hairy legs
  11/30/25
only if you don't take pictures to share with us
Costumed Rambunctious Ape Theatre
  10/11/24
(martin brodeur)
sick stirring masturbator
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
rough-skinned rigpig
  10/12/24
This. Plus they are always hugging and kissing you.
Swashbuckling public bath mental disorder
  10/12/24
...
Costumed Rambunctious Ape Theatre
  12/23/25
Wtf
Aquamarine Confused Associate Travel Guidebook
  10/12/24
This is my life. Constant blue balls.
rough-skinned rigpig
  10/12/24
...
Smoky ticket booth
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Lascivious mahogany stage
  10/12/24
...
Fiercely-loyal charismatic hairy legs
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Swashbuckling public bath mental disorder
  10/12/24
180
Razzle-dazzle tanning salon place of business
  10/12/24
...
Hideous Rigor Yarmulke
  10/12/24
twist: the sil was Catherine of aragorn
razzmatazz really tough guy area
  10/12/24
If first brother was childless then this is classic Levirate...
Electric fuchsia indian lodge
  10/12/24
...
Hideous Rigor Yarmulke
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Electric fuchsia indian lodge
  10/12/24
...
Hideous Rigor Yarmulke
  10/12/24
You're doing it for the purpose of having children, through ...
Electric fuchsia indian lodge
  10/13/24
are we talking about your wife's sister or your brother's wi...
Henna macaca lodge
  10/12/24
How many times do we have to go over this.
claret turdskin
  10/12/24
...
bespoke market
  10/12/24
...
Fiercely-loyal charismatic hairy legs
  11/30/25
...
bespoke market
  12/23/25
...
hilarious vibrant mexican ratface
  12/23/25
...
Abusive parlour windowlicker
  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
aphrodisiac point national security agency
  10/12/24
voice of reason as always cbtp
Aquamarine Confused Associate Travel Guidebook
  10/12/24
not as deranged as brother-in-law
disgusting native
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
violent coral stag film
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Aquamarine Confused Associate Travel Guidebook

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: rose adventurous cruise ship dysfunction

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Smoky ticket booth

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: rose adventurous cruise ship dysfunction



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Motley Bright Community Account

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=2Ã#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Alcoholic Selfie

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: racy hairless center

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Motley Bright Community Account

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: hilarious vibrant mexican ratface



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Motley Bright Community Account

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=2Ã#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: abnormal mildly autistic menage generalized bond

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=2Ã#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: impressive kitty

sleeping with anyone within your orbit of friends & family is insane and doomed

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2Ã#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Aquamarine Confused Associate Travel Guidebook

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Marvelous People Who Are Hurt



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: vermilion irradiated cuckoldry

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: racy hairless center

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: impressive kitty

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Fiercely-loyal charismatic hairy legs



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Costumed Rambunctious Ape Theatre

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: sick stirring masturbator

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: rough-skinned rigpig

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=2Ã#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Swashbuckling public bath mental disorder

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Costumed Rambunctious Ape Theatre



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Aquamarine Confused Associate Travel Guidebook

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: rough-skinned rigpig

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Smoky ticket booth



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Lascivious mahogany stage

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Fiercely-loyal charismatic hairy legs



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Swashbuckling public bath mental disorder

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=2Ã#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Razzle-dazzle tanning salon place of business

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Hideous Rigor Yarmulke



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: razzmatazz really tough guy area

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Electric fuchsia 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=2Ã#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Hideous Rigor Yarmulke



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Electric fuchsia 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=2Ã#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Hideous Rigor Yarmulke



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Electric fuchsia 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=2Ã#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Henna macaca lodge

are we talking about your wife's sister or your brother's wife?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2Ã#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: claret turdskin

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: bespoke market



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Fiercely-loyal charismatic hairy legs



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: bespoke market



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: hilarious vibrant mexican ratface



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Abusive parlour windowlicker



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



Reply Favorite

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



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



Reply Favorite

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



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: aphrodisiac point national security agency

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Aquamarine Confused Associate Travel Guidebook

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: disgusting native

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: violent coral stag film

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=2Ã#49533184)