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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?
dashing toaster shitlib
  10/11/24
I dunno. What if she has a nice ass?
Ebony Boistinker
  10/11/24
more detail plz
trip hall goal in life
  10/11/24
...
Ebony Boistinker
  10/11/24
It probably depends on how much you hate your bio parent and...
Startling naked telephone
  10/11/24
do u know what a sister in law is?
Primrose idiot
  10/11/24
he's watched too much porn
silver shrine
  10/11/24
Objection, nonresponsive
Startling naked telephone
  10/11/24
I do but I prefer fantasizing about my non-existent step sis...
Startling naked telephone
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
seedy hissy fit
  10/11/24
sleeping with anyone within your orbit of friends & fami...
cyan property ratface
  10/11/24
mostly cr
dashing toaster shitlib
  10/11/24
...
Opaque Main People Nowag
  10/12/24
depends on if your wife is dead or not
silver shrine
  10/11/24
i believe this is colloquially known as "the biden rule...
cyan property ratface
  10/11/24
...
Idris "Thoughts & Tariffs" Elba
  11/30/25
only if you don't take pictures to share with us
red violent sweet tailpipe
  10/11/24
(martin brodeur)
Appetizing Dull Station
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
filthy bearded jew
  10/12/24
This. Plus they are always hugging and kissing you.
pearly comical state
  10/12/24
Wtf
dashing toaster shitlib
  10/12/24
This is my life. Constant blue balls.
filthy bearded jew
  10/12/24
...
lfo
  11/30/25
Is she a spicy Latina?
Gaped Puppy Trust Fund
  10/12/24
...
Idris "Thoughts & Tariffs" Elba
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
pearly comical state
  10/12/24
180
Low-t free-loading orchestra pit
  10/12/24
In middle school my wrestling coach married our hot as fuck...
Aphrodisiac nursing home yarmulke
  10/12/24
twist: the sil was Catherine of aragorn
Lime mind-boggling gaping
  10/12/24
If first brother was childless then this is classic Levirate...
Confused Skinny Woman
  10/12/24
The first marriage was less than a year before he died Se...
Aphrodisiac nursing home yarmulke
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Confused Skinny Woman
  10/12/24
I'm not fucking my dead brothers wife. Couldn't force me at ...
Aphrodisiac nursing home yarmulke
  10/12/24
You're doing it for the purpose of having children, through ...
Confused Skinny Woman
  10/13/24
are we talking about your wife's sister or your brother's wi...
glassy voyeur bbw
  10/12/24
How many times do we have to go over this.
Mustard stimulating forum
  10/12/24
...
abnormal wrinkle travel guidebook
  10/12/24
...
Idris "Thoughts & Tariffs" Elba
  11/30/25
yes
umber gay wizard
  10/12/24
voice of reason as always cbtp
dashing toaster shitlib
  10/12/24
not as deranged as brother-in-law
cerebral office
  10/12/24


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: dashing toaster shitlib

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: Ebony Boistinker

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: trip hall goal in life

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: Ebony Boistinker



(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: Startling naked telephone

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: Primrose idiot

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: silver shrine

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: Startling naked telephone

Objection, nonresponsive

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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Startling naked telephone

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: seedy hissy fit

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: cyan property ratface

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: dashing toaster shitlib

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: Opaque Main People Nowag



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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: silver shrine

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: cyan property ratface

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: Idris "Thoughts & Tariffs" Elba



(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: red violent sweet tailpipe

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: Appetizing Dull Station

(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: filthy bearded jew

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: pearly comical state

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: October 12th, 2024 3:45 PM
Author: dashing toaster shitlib

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: filthy bearded jew

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: lfo



(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: Gaped Puppy Trust Fund

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: Idris "Thoughts & Tariffs" Elba



(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: pearly comical state

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: Low-t free-loading orchestra pit

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: Aphrodisiac nursing home yarmulke

In middle school my wrestling coach married our hot as fuck social studies teacher. Their family was old money and he owned a land development company. He was a tall af and a Chad. One night he got drunk and died by crashing off of a bridge. Literally the next week we saw her w his brother who was also a Chad but short and chubby. They married later that year. Was one of the most surreal things I've ever seen

No clue how u could fuck ur dead brothers wife or ur dead husband's brother. Especially so fast.

(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: Lime mind-boggling gaping

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: Confused Skinny Woman

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: Aphrodisiac nursing home yarmulke

The first marriage was less than a year before he died

Seems insane

(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: Confused Skinny Woman

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: Aphrodisiac nursing home yarmulke

I'm not fucking my dead brothers wife. Couldn't force me at gunpoint

Seems evil af

(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: Confused Skinny Woman

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: glassy voyeur bbw

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: Mustard stimulating forum

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: abnormal wrinkle travel guidebook



(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: Idris "Thoughts & Tariffs" Elba



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: umber gay wizard

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: dashing toaster shitlib

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: cerebral office

not as deranged as brother-in-law

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