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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?
Zombie-like Hairless Crotch
  10/11/24
I dunno. What if she has a nice ass?
Dull contagious corner
  10/11/24
more detail plz
Awkward Glittery Public Bath National Security Agency
  10/11/24
...
Dull contagious corner
  10/11/24
It probably depends on how much you hate your bio parent and...
Razzle Dead Digit Ratio Trailer Park
  10/11/24
do u know what a sister in law is?
Concupiscible arrogant university laser beams
  10/11/24
he's watched too much porn
Narrow-minded Parlor
  10/11/24
Objection, nonresponsive
Razzle Dead Digit Ratio Trailer Park
  10/11/24
...
twinkling resort pervert
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Razzle Dead Digit Ratio Trailer Park
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
galvanic domesticated idiot menage
  10/11/24
sleeping with anyone within your orbit of friends & fami...
nighttime glassy national weed whacker
  10/11/24
mostly cr
Zombie-like Hairless Crotch
  10/11/24
...
green marketing idea plaza
  10/12/24
this is exactly why I never sleep with my wife
Up-to-no-good Double Fault Stage
  12/23/25
depends on if your wife is dead or not
Narrow-minded Parlor
  10/11/24
i believe this is colloquially known as "the biden rule...
nighttime glassy national weed whacker
  10/11/24
...
Free-loading confused business firm
  11/30/25
only if you don't take pictures to share with us
slap-happy wonderful mad-dog skullcap
  10/11/24
(martin brodeur)
mind-boggling cream stag film
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Translucent frozen queen of the night theatre
  10/12/24
This. Plus they are always hugging and kissing you.
mildly autistic lodge
  10/12/24
...
slap-happy wonderful mad-dog skullcap
  12/23/25
Wtf
Zombie-like Hairless Crotch
  10/12/24
This is my life. Constant blue balls.
Translucent frozen queen of the night theatre
  10/12/24
...
Awkward Glittery Public Bath National Security Agency
  11/30/25
Is she a spicy Latina?
180 kink-friendly area
  10/12/24
...
Free-loading confused business firm
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
mildly autistic lodge
  10/12/24
180
hairraiser flatulent skinny woman lay
  10/12/24
In middle school my wrestling coach married our hot as fuck...
out-of-control principal's office foreskin
  10/12/24
twist: the sil was Catherine of aragorn
Red stubborn mediation
  10/12/24
If first brother was childless then this is classic Levirate...
Excitant shivering mad cow disease
  10/12/24
The first marriage was less than a year before he died Se...
out-of-control principal's office foreskin
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Excitant shivering mad cow disease
  10/12/24
I'm not fucking my dead brothers wife. Couldn't force me at ...
out-of-control principal's office foreskin
  10/12/24
You're doing it for the purpose of having children, through ...
Excitant shivering mad cow disease
  10/13/24
are we talking about your wife's sister or your brother's wi...
disrespectful theater
  10/12/24
How many times do we have to go over this.
swashbuckling theater stage
  10/12/24
...
aqua range internal respiration
  10/12/24
...
Free-loading confused business firm
  11/30/25
...
aqua range internal respiration
  12/23/25
...
twinkling resort pervert
  12/23/25
...
comical cheese-eating stage patrolman
  12/23/25
yes
vibrant whorehouse new version
  10/12/24
voice of reason as always cbtp
Zombie-like Hairless Crotch
  10/12/24
not as deranged as brother-in-law
frisky casino
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
umber exhilarant station
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Zombie-like Hairless Crotch

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Dull contagious corner

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Awkward Glittery Public Bath National Security Agency

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: Dull contagious corner



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Razzle Dead Digit Ratio Trailer Park

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.#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Concupiscible arrogant university laser beams

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Narrow-minded Parlor

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Razzle Dead Digit Ratio Trailer Park

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: twinkling resort pervert



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Razzle Dead Digit Ratio Trailer Park

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.#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: galvanic domesticated idiot menage

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.#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: nighttime glassy national weed whacker

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.#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Zombie-like Hairless Crotch

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: green marketing idea plaza



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Up-to-no-good Double Fault Stage

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Narrow-minded Parlor

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: nighttime glassy national weed whacker

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Free-loading confused business firm



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: slap-happy wonderful mad-dog skullcap

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: mind-boggling cream stag film

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Translucent frozen queen of the night theatre

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.#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: mildly autistic lodge

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: slap-happy wonderful mad-dog skullcap



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Zombie-like Hairless Crotch

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Translucent frozen queen of the night theatre

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Awkward Glittery Public Bath National Security Agency



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: 180 kink-friendly area

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Free-loading confused business firm



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: mildly autistic lodge

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.#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: hairraiser flatulent skinny woman lay

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: out-of-control principal's office foreskin

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.#48189979)



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Red stubborn mediation

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Excitant shivering mad cow disease

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.#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: out-of-control principal's office foreskin

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.#48190672)



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Excitant shivering mad cow disease

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.#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: out-of-control principal's office foreskin

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.#48190723)



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Excitant shivering mad cow disease

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.#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: disrespectful theater

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.#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: swashbuckling theater stage

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: aqua range internal respiration



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Free-loading confused business firm



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: aqua range internal respiration



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: twinkling resort pervert



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: comical cheese-eating stage patrolman



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: vibrant whorehouse new version

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Zombie-like Hairless Crotch

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: frisky casino

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: umber exhilarant station

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.#49533184)