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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?
adventurous impressive hall
  10/11/24
I dunno. What if she has a nice ass?
mahogany bawdyhouse
  10/11/24
more detail plz
excitant forum haunted graveyard
  10/11/24
...
mahogany bawdyhouse
  10/11/24
It probably depends on how much you hate your bio parent and...
big menage legal warrant
  10/11/24
do u know what a sister in law is?
Self-absorbed brunch
  10/11/24
he's watched too much porn
White goyim boltzmann
  10/11/24
Objection, nonresponsive
big menage legal warrant
  10/11/24
...
Out-of-control talented area
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
big menage legal warrant
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
amber appetizing sneaky criminal
  10/11/24
sleeping with anyone within your orbit of friends & fami...
deep stead volcanic crater
  10/11/24
mostly cr
adventurous impressive hall
  10/11/24
...
Rough-skinned Lettuce
  10/12/24
this is exactly why I never sleep with my wife
Painfully honest aphrodisiac native associate
  12/23/25
depends on if your wife is dead or not
White goyim boltzmann
  10/11/24
i believe this is colloquially known as "the biden rule...
deep stead volcanic crater
  10/11/24
...
exhilarant crackhouse faggot firefighter
  11/30/25
only if you don't take pictures to share with us
Boyish new version
  10/11/24
(martin brodeur)
razzmatazz coiffed church building immigrant
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Blathering casino antidepressant drug
  10/12/24
This. Plus they are always hugging and kissing you.
Ultramarine Hospital Nibblets
  10/12/24
...
Boyish new version
  12/23/25
Wtf
adventurous impressive hall
  10/12/24
This is my life. Constant blue balls.
Blathering casino antidepressant drug
  10/12/24
...
excitant forum haunted graveyard
  11/30/25
Is she a spicy Latina?
lake corner philosopher-king
  10/12/24
...
exhilarant crackhouse faggot firefighter
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Ultramarine Hospital Nibblets
  10/12/24
180
jet-lagged vigorous liquid oxygen
  10/12/24
...
Chest-beating spruce meetinghouse
  10/12/24
twist: the sil was Catherine of aragorn
histrionic hideous gas station
  10/12/24
If first brother was childless then this is classic Levirate...
effete mood
  10/12/24
...
Chest-beating spruce meetinghouse
  10/12/24
He's literally the closest replacement for the guy. I can't ...
effete mood
  10/12/24
...
Chest-beating spruce meetinghouse
  10/12/24
You're doing it for the purpose of having children, through ...
effete mood
  10/13/24
are we talking about your wife's sister or your brother's wi...
hateful high-end brethren turdskin
  10/12/24
How many times do we have to go over this.
stubborn lascivious toaster sanctuary
  10/12/24
...
crusty point
  10/12/24
...
exhilarant crackhouse faggot firefighter
  11/30/25
...
crusty point
  12/23/25
...
Out-of-control talented area
  12/23/25
...
Fantasy-prone state rigpig
  12/23/25
yes
fiercely-loyal twisted party of the first part hell
  10/12/24
voice of reason as always cbtp
adventurous impressive hall
  10/12/24
not as deranged as brother-in-law
Thriller giraffe
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Cheese-eating mewling toilet seat
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: adventurous impressive hall

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: mahogany bawdyhouse

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: excitant forum haunted graveyard

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: mahogany bawdyhouse



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: big menage legal warrant

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: Self-absorbed brunch

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: White goyim boltzmann

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: big menage legal warrant

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: Out-of-control talented area



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: big menage legal warrant

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: amber appetizing sneaky criminal

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: deep stead volcanic crater

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: adventurous impressive hall

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: Rough-skinned Lettuce



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Painfully honest aphrodisiac native associate

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: White goyim boltzmann

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: deep stead volcanic crater

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: exhilarant crackhouse faggot firefighter



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Boyish new version

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: razzmatazz coiffed church building immigrant

(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: Blathering casino antidepressant drug

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: Ultramarine Hospital Nibblets

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: Boyish new version



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: adventurous impressive hall

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Blathering casino antidepressant drug

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: excitant forum haunted graveyard



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: lake corner philosopher-king

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: exhilarant crackhouse faggot firefighter



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Ultramarine Hospital Nibblets

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: jet-lagged vigorous liquid oxygen

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Chest-beating spruce meetinghouse



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2E#48189979)



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: histrionic hideous gas station

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: effete mood

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: Chest-beating spruce meetinghouse



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: effete mood

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: Chest-beating spruce meetinghouse



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2E#48190723)



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: effete mood

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: hateful high-end brethren turdskin

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: stubborn lascivious toaster sanctuary

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: crusty point



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: exhilarant crackhouse faggot firefighter



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: crusty point



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Out-of-control talented area



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Fantasy-prone state rigpig



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: fiercely-loyal twisted party of the first part hell

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: adventurous impressive hall

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: Thriller giraffe

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: Cheese-eating mewling toilet seat

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)