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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?
excitant well-lubricated den
  10/11/24
I dunno. What if she has a nice ass?
Clear Exhilarant Messiness
  10/11/24
more detail plz
High-end point
  10/11/24
...
Clear Exhilarant Messiness
  10/11/24
It probably depends on how much you hate your bio parent and...
beady-eyed brunch pozpig
  10/11/24
do u know what a sister in law is?
insanely creepy school cafeteria
  10/11/24
he's watched too much porn
Shivering market digit ratio
  10/11/24
Objection, nonresponsive
beady-eyed brunch pozpig
  10/11/24
...
blue stead fat ankles
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
beady-eyed brunch pozpig
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Dark supple range wagecucks
  10/11/24
sleeping with anyone within your orbit of friends & fami...
burgundy aphrodisiac coldplay fan senate
  10/11/24
mostly cr
excitant well-lubricated den
  10/11/24
...
dull slippery ticket booth
  10/12/24
this is exactly why I never sleep with my wife
Ruby home
  12/23/25
depends on if your wife is dead or not
Shivering market digit ratio
  10/11/24
i believe this is colloquially known as "the biden rule...
burgundy aphrodisiac coldplay fan senate
  10/11/24
...
spectacular rebellious ceo
  11/30/25
only if you don't take pictures to share with us
Alcoholic odious abode place of business
  10/11/24
(martin brodeur)
laughsome area idea he suggested
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Cream comical headpube death wish
  10/12/24
This. Plus they are always hugging and kissing you.
cheese-eating hunting ground
  10/12/24
...
Alcoholic odious abode place of business
  12/23/25
Wtf
excitant well-lubricated den
  10/12/24
This is my life. Constant blue balls.
Cream comical headpube death wish
  10/12/24
...
High-end point
  11/30/25
Is she a spicy Latina?
180 opaque jewess
  10/12/24
...
spectacular rebellious ceo
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
cheese-eating hunting ground
  10/12/24
180
Bat-shit-crazy stirring station
  10/12/24
In middle school my wrestling coach married our hot as fuck...
Ultramarine halford resort
  10/12/24
twist: the sil was Catherine of aragorn
Stimulating ratface tattoo
  10/12/24
If first brother was childless then this is classic Levirate...
Jet-lagged Soul-stirring Step-uncle's House
  10/12/24
The first marriage was less than a year before he died Se...
Ultramarine halford resort
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Jet-lagged Soul-stirring Step-uncle's House
  10/12/24
I'm not fucking my dead brothers wife. Couldn't force me at ...
Ultramarine halford resort
  10/12/24
You're doing it for the purpose of having children, through ...
Jet-lagged Soul-stirring Step-uncle's House
  10/13/24
are we talking about your wife's sister or your brother's wi...
razzle mahogany kitchen
  10/12/24
How many times do we have to go over this.
sepia trip set
  10/12/24
...
cordovan selfie new version
  10/12/24
...
spectacular rebellious ceo
  11/30/25
...
cordovan selfie new version
  12/23/25
...
blue stead fat ankles
  12/23/25
...
Out-of-control feces laser beams
  12/23/25
yes
massive office
  10/12/24
voice of reason as always cbtp
excitant well-lubricated den
  10/12/24
not as deranged as brother-in-law
carnelian field dragon
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
plum sanctuary
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: excitant well-lubricated den

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Clear Exhilarant Messiness

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: High-end point

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: Clear Exhilarant Messiness



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: beady-eyed brunch pozpig

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=2E#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: insanely creepy school cafeteria

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Shivering market digit ratio

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: beady-eyed brunch pozpig

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: blue stead fat ankles



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: beady-eyed brunch pozpig

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=2E#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: Dark supple range wagecucks

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=2E#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: burgundy aphrodisiac coldplay fan senate

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

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



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: excitant well-lubricated den

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: dull slippery ticket booth



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Ruby home

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Shivering market digit ratio

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: burgundy aphrodisiac coldplay fan senate

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: spectacular rebellious ceo



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Alcoholic odious abode place of business

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: laughsome area idea he suggested

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Cream comical headpube death wish

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=2E#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: cheese-eating hunting ground

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Alcoholic odious abode place of business



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: excitant well-lubricated den

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Cream comical headpube death wish

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: High-end point



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: 180 opaque jewess

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: spectacular rebellious ceo



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: cheese-eating hunting ground

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=2E#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Bat-shit-crazy stirring station

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Ultramarine halford resort

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=2E#48189979)



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Stimulating ratface tattoo

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Jet-lagged Soul-stirring Step-uncle's House

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=2E#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Ultramarine halford resort

The first marriage was less than a year before he died

Seems insane

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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Jet-lagged Soul-stirring Step-uncle's House

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=2E#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Ultramarine halford resort

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=2E#48190723)



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Jet-lagged Soul-stirring Step-uncle's House

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=2E#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: razzle mahogany kitchen

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

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



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: sepia trip set

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: cordovan selfie new version



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: spectacular rebellious ceo



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: cordovan selfie new version



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: blue stead fat ankles



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Out-of-control feces laser beams



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: massive office

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: excitant well-lubricated den

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: carnelian field dragon

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: plum sanctuary

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=2E#49533184)