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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?
Primrose Beady-eyed Juggernaut Range
  10/11/24
I dunno. What if she has a nice ass?
Obsidian soggy home
  10/11/24
more detail plz
Rose disturbing stead legal warrant
  10/11/24
...
Obsidian soggy home
  10/11/24
It probably depends on how much you hate your bio parent and...
geriatric ivory market
  10/11/24
do u know what a sister in law is?
ebony aphrodisiac international law enforcement agency
  10/11/24
he's watched too much porn
dashing white parlor
  10/11/24
Objection, nonresponsive
geriatric ivory market
  10/11/24
...
snowy judgmental theatre telephone
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
geriatric ivory market
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Seedy Curious Office Volcanic Crater
  10/11/24
sleeping with anyone within your orbit of friends & fami...
effete faggotry
  10/11/24
mostly cr
Primrose Beady-eyed Juggernaut Range
  10/11/24
...
Crimson laughsome rehab candlestick maker
  10/12/24
this is exactly why I never sleep with my wife
henna demanding coffee pot halford
  12/23/25
depends on if your wife is dead or not
dashing white parlor
  10/11/24
i believe this is colloquially known as "the biden rule...
effete faggotry
  10/11/24
...
Milky nofapping toaster center
  11/30/25
only if you don't take pictures to share with us
contagious chest-beating boiling water point
  10/11/24
(martin brodeur)
Fragrant Clear Set
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Heady splenetic theater
  10/12/24
This. Plus they are always hugging and kissing you.
Green Rigor Location
  10/12/24
...
contagious chest-beating boiling water point
  12/23/25
Wtf
Primrose Beady-eyed Juggernaut Range
  10/12/24
This is my life. Constant blue balls.
Heady splenetic theater
  10/12/24
...
Rose disturbing stead legal warrant
  11/30/25
Is she a spicy Latina?
yapping space regret
  10/12/24
...
Milky nofapping toaster center
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Green Rigor Location
  10/12/24
180
Stimulating domesticated property pistol
  10/12/24
In middle school my wrestling coach married our hot as fuck...
Brindle spectacular masturbator azn
  10/12/24
twist: the sil was Catherine of aragorn
diverse onyx meetinghouse
  10/12/24
If first brother was childless then this is classic Levirate...
Smoky internal respiration hell
  10/12/24
The first marriage was less than a year before he died Se...
Brindle spectacular masturbator azn
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Smoky internal respiration hell
  10/12/24
I'm not fucking my dead brothers wife. Couldn't force me at ...
Brindle spectacular masturbator azn
  10/12/24
You're doing it for the purpose of having children, through ...
Smoky internal respiration hell
  10/13/24
are we talking about your wife's sister or your brother's wi...
bateful mildly autistic mental disorder
  10/12/24
How many times do we have to go over this.
offensive razzmatazz antidepressant drug principal's office
  10/12/24
...
naked mauve indian lodge
  10/12/24
...
Milky nofapping toaster center
  11/30/25
...
naked mauve indian lodge
  12/23/25
...
snowy judgmental theatre telephone
  12/23/25
...
Low-t bisexual national security agency theater stage
  12/23/25
yes
Copper galvanic karate
  10/12/24
voice of reason as always cbtp
Primrose Beady-eyed Juggernaut Range
  10/12/24
not as deranged as brother-in-law
Idiotic base
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
boyish clown plaza
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Primrose Beady-eyed Juggernaut Range

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

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48187983)



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Obsidian soggy home

I dunno. What if she has a nice ass?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48187985)



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Rose disturbing stead legal warrant

more detail plz

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48187988)



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: Obsidian soggy home



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48187993)



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: geriatric ivory market

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\u0026mark_id=4973486#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: ebony aphrodisiac international law enforcement agency

do u know what a sister in law is?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48188004)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: dashing white parlor

he's watched too much porn

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48188017)



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: geriatric ivory market

Objection, nonresponsive

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48188617)



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: snowy judgmental theatre telephone



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49533041)



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: geriatric ivory market

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\u0026mark_id=4973486#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: Seedy Curious Office Volcanic Crater

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\u0026mark_id=4973486#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: effete faggotry

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\u0026mark_id=4973486#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Primrose Beady-eyed Juggernaut Range

mostly cr

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48188040)



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Crimson laughsome rehab candlestick maker



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48190661)



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: henna demanding coffee pot halford

this is exactly why I never sleep with my wife

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49533050)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: dashing white parlor

depends on if your wife is dead or not

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48188014)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: effete faggotry

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

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48188018)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Milky nofapping toaster center



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49472648)



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: contagious chest-beating boiling water point

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

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48188026)



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: Fragrant Clear Set

(martin brodeur)

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48188717)



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Heady splenetic theater

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\u0026mark_id=4973486#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Green Rigor Location

This. Plus they are always hugging and kissing you.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48189951)



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: contagious chest-beating boiling water point



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49533178)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Primrose Beady-eyed Juggernaut Range

Wtf

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48190745)



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Heady splenetic theater

This is my life. Constant blue balls.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48190953)



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Rose disturbing stead legal warrant



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49472629)



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: yapping space regret

Is she a spicy Latina?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48189956)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Milky nofapping toaster center



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49472649)



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Green Rigor Location

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\u0026mark_id=4973486#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Stimulating domesticated property pistol

180

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48190744)



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Brindle spectacular masturbator azn

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\u0026mark_id=4973486#48189979)



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: diverse onyx meetinghouse

twist: the sil was Catherine of aragorn

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48190647)



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Smoky internal respiration hell

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\u0026mark_id=4973486#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Brindle spectacular masturbator azn

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\u0026mark_id=4973486#48190672)



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Smoky internal respiration hell

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\u0026mark_id=4973486#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Brindle spectacular masturbator azn

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\u0026mark_id=4973486#48190723)



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Smoky internal respiration hell

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\u0026mark_id=4973486#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: bateful mildly autistic mental disorder

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\u0026mark_id=4973486#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: offensive razzmatazz antidepressant drug principal's office

How many times do we have to go over this.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48189992)



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: naked mauve indian lodge



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48190799)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Milky nofapping toaster center



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49472653)



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: naked mauve indian lodge



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49533037)



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: snowy judgmental theatre telephone



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49533043)



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Low-t bisexual national security agency theater stage



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#49533170)



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Copper galvanic karate

yes

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48189990)



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Primrose Beady-eyed Juggernaut Range

voice of reason as always cbtp

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48190802)



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: Idiotic base

not as deranged as brother-in-law

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026mark_id=4973486#48190004)



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: boyish clown plaza

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\u0026mark_id=4973486#49533184)