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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?
Aromatic buck-toothed french chef sex offender
  10/11/24
I dunno. What if she has a nice ass?
deranged property depressive
  10/11/24
more detail plz
Alcoholic cuck stead
  10/11/24
...
deranged property depressive
  10/11/24
It probably depends on how much you hate your bio parent and...
Painfully honest bull headed codepig
  10/11/24
do u know what a sister in law is?
razzle crystalline roast beef black woman
  10/11/24
he's watched too much porn
Purple public bath wrinkle
  10/11/24
Objection, nonresponsive
Painfully honest bull headed codepig
  10/11/24
...
Khaki Becky Goal In Life
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Painfully honest bull headed codepig
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
nighttime base
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Lavender multi-billionaire tattoo
  10/11/24
mostly cr
Aromatic buck-toothed french chef sex offender
  10/11/24
...
Cream marketing idea bawdyhouse
  10/12/24
this is exactly why I never sleep with my wife
hairless brass dragon electric furnace
  12/23/25
depends on if your wife is dead or not
Purple public bath wrinkle
  10/11/24
i believe this is colloquially known as "the biden rule...
Lavender multi-billionaire tattoo
  10/11/24
...
diverse orange office antidepressant drug
  11/30/25
only if you don't take pictures to share with us
fighting native
  10/11/24
(martin brodeur)
wonderful point
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Cracking orchestra pit selfie
  10/12/24
This. Plus they are always hugging and kissing you.
Infuriating Sick Nursing Home Athletic Conference
  10/12/24
...
fighting native
  12/23/25
Wtf
Aromatic buck-toothed french chef sex offender
  10/12/24
This is my life. Constant blue balls.
Cracking orchestra pit selfie
  10/12/24
...
Alcoholic cuck stead
  11/30/25
Is she a spicy Latina?
Heady magical haunted graveyard
  10/12/24
...
diverse orange office antidepressant drug
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Infuriating Sick Nursing Home Athletic Conference
  10/12/24
180
Multi-colored Chad Knife
  10/12/24
...
Pontificating Startling Gas Station Dingle Berry
  10/12/24
twist: the sil was Catherine of aragorn
rose wild piazza toaster
  10/12/24
If first brother was childless then this is classic Levirate...
red titillating whorehouse
  10/12/24
...
Pontificating Startling Gas Station Dingle Berry
  10/12/24
He's literally the closest replacement for the guy. I can't ...
red titillating whorehouse
  10/12/24
...
Pontificating Startling Gas Station Dingle Berry
  10/12/24
You're doing it for the purpose of having children, through ...
red titillating whorehouse
  10/13/24
are we talking about your wife's sister or your brother's wi...
rebellious azn theatre
  10/12/24
How many times do we have to go over this.
well-lubricated mustard church
  10/12/24
...
Honey-headed Contagious Dopamine Doctorate
  10/12/24
...
diverse orange office antidepressant drug
  11/30/25
...
Honey-headed Contagious Dopamine Doctorate
  12/23/25
...
Khaki Becky Goal In Life
  12/23/25
...
coiffed ruby chapel partner
  12/23/25
yes
nofapping laughsome boistinker menage
  10/12/24
voice of reason as always cbtp
Aromatic buck-toothed french chef sex offender
  10/12/24
not as deranged as brother-in-law
grizzly galvanic institution
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
aphrodisiac aquamarine gaping sanctuary
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Aromatic buck-toothed french chef sex offender

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: deranged property depressive

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: Alcoholic cuck stead

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: deranged property depressive



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Painfully honest bull headed codepig

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: razzle crystalline roast beef black woman

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: Purple public bath wrinkle

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: Painfully honest bull headed codepig

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: Khaki Becky Goal In Life



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Painfully honest bull headed codepig

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: nighttime base

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: Lavender multi-billionaire tattoo

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: Aromatic buck-toothed french chef sex offender

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: Cream marketing idea bawdyhouse



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: hairless brass dragon electric furnace

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: Purple public bath wrinkle

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: Lavender multi-billionaire tattoo

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: diverse orange office antidepressant drug



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: fighting native

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: wonderful point

(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: Cracking orchestra pit selfie

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: Infuriating Sick Nursing Home Athletic Conference

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: fighting native



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Aromatic buck-toothed french chef sex offender

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Cracking orchestra pit selfie

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: Alcoholic cuck stead



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Heady magical haunted graveyard

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: diverse orange office antidepressant drug



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Infuriating Sick Nursing Home Athletic Conference

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: Multi-colored Chad Knife

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Pontificating Startling Gas Station Dingle Berry



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: rose wild piazza toaster

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: red titillating whorehouse

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: Pontificating Startling Gas Station Dingle Berry



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: red titillating whorehouse

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: Pontificating Startling Gas Station Dingle Berry



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: red titillating whorehouse

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: rebellious azn theatre

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: well-lubricated mustard church

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: Honey-headed Contagious Dopamine Doctorate



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: diverse orange office antidepressant drug



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Honey-headed Contagious Dopamine Doctorate



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Khaki Becky Goal In Life



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: coiffed ruby chapel partner



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: nofapping laughsome boistinker menage

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Aromatic buck-toothed french chef sex offender

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: grizzly galvanic institution

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: aphrodisiac aquamarine gaping 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)