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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?
insecure personal credit line
  10/11/24
I dunno. What if she has a nice ass?
Trip Federal Orchestra Pit
  10/11/24
more detail plz
Alcoholic gay death wish church building
  10/11/24
...
Trip Federal Orchestra Pit
  10/11/24
It probably depends on how much you hate your bio parent and...
Underhanded mad-dog skullcap
  10/11/24
do u know what a sister in law is?
milky heady base kitty cat
  10/11/24
he's watched too much porn
Scarlet Seedy Address
  10/11/24
Objection, nonresponsive
Underhanded mad-dog skullcap
  10/11/24
...
Arousing state circlehead
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Underhanded mad-dog skullcap
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Cerebral Messiness Institution
  10/11/24
sleeping with anyone within your orbit of friends & fami...
high-end psychic location
  10/11/24
mostly cr
insecure personal credit line
  10/11/24
...
Dark maniacal feces cuckoldry
  10/12/24
this is exactly why I never sleep with my wife
appetizing patrolman heaven
  12/23/25
depends on if your wife is dead or not
Scarlet Seedy Address
  10/11/24
i believe this is colloquially known as "the biden rule...
high-end psychic location
  10/11/24
...
floppy rusted theater stage chad
  11/30/25
only if you don't take pictures to share with us
Harsh Ivory School
  10/11/24
(martin brodeur)
emerald twisted lay faggot firefighter
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
silver exciting garrison international law enforcement agency
  10/12/24
This. Plus they are always hugging and kissing you.
Sapphire hissy fit skinny woman
  10/12/24
...
Harsh Ivory School
  12/23/25
Wtf
insecure personal credit line
  10/12/24
This is my life. Constant blue balls.
silver exciting garrison international law enforcement agency
  10/12/24
...
Alcoholic gay death wish church building
  11/30/25
Is she a spicy Latina?
erotic trailer park keepsake machete
  10/12/24
...
floppy rusted theater stage chad
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Sapphire hissy fit skinny woman
  10/12/24
180
talented stag film
  10/12/24
...
Multi-colored light temple multi-billionaire
  10/12/24
twist: the sil was Catherine of aragorn
Chestnut vibrant station
  10/12/24
If first brother was childless then this is classic Levirate...
Gaped public bath goyim
  10/12/24
...
Multi-colored light temple multi-billionaire
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Gaped public bath goyim
  10/12/24
...
Multi-colored light temple multi-billionaire
  10/12/24
You're doing it for the purpose of having children, through ...
Gaped public bath goyim
  10/13/24
are we talking about your wife's sister or your brother's wi...
Startled Shrine
  10/12/24
How many times do we have to go over this.
Soul-stirring mother
  10/12/24
...
Soggy Shimmering Lodge Potus
  10/12/24
...
floppy rusted theater stage chad
  11/30/25
...
Soggy Shimmering Lodge Potus
  12/23/25
...
Arousing state circlehead
  12/23/25
...
Lemon Aphrodisiac Stead
  12/23/25
yes
Racy startling mood legend
  10/12/24
voice of reason as always cbtp
insecure personal credit line
  10/12/24
not as deranged as brother-in-law
Out-of-control half-breed ticket booth
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
talking meetinghouse
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: insecure personal credit line

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: Trip Federal Orchestra Pit

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: Alcoholic gay death wish church building

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: Trip Federal Orchestra Pit



(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: Underhanded mad-dog skullcap

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: milky heady base kitty cat

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: Scarlet Seedy Address

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: Underhanded mad-dog skullcap

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Arousing state circlehead



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Underhanded mad-dog skullcap

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: Cerebral Messiness Institution

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: high-end psychic location

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: insecure personal credit line

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: Dark maniacal feces cuckoldry



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: appetizing patrolman heaven

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Scarlet Seedy Address

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: high-end psychic location

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: floppy rusted theater stage chad



(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: Harsh Ivory School

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: emerald twisted lay faggot firefighter

(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: silver exciting garrison international law enforcement agency

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: Sapphire hissy fit skinny woman

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: December 23rd, 2025 6:52 AM
Author: Harsh Ivory School



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: insecure personal credit line

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: silver exciting garrison international law enforcement agency

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: Alcoholic gay death wish church building



(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: erotic trailer park keepsake machete

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: floppy rusted theater stage chad



(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: Sapphire hissy fit skinny woman

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: talented stag film

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: Multi-colored light temple multi-billionaire



(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: Chestnut vibrant station

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: Gaped public bath goyim

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: Multi-colored light temple multi-billionaire



(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: Gaped public bath goyim

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: Multi-colored light temple multi-billionaire



(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: Gaped public bath goyim

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: Startled Shrine

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: Soul-stirring mother

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: Soggy Shimmering Lodge Potus



(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: floppy rusted theater stage chad



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Soggy Shimmering Lodge Potus



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Arousing state circlehead



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Lemon Aphrodisiac Stead



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Racy startling mood legend

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: insecure personal credit line

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: Out-of-control half-breed ticket booth

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: talking meetinghouse

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/en-en#49533184)