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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?
lilac philosopher-king
  10/11/24
I dunno. What if she has a nice ass?
insane crotch
  10/11/24
more detail plz
razzmatazz brunch
  10/11/24
...
insane crotch
  10/11/24
It probably depends on how much you hate your bio parent and...
bearded ladyboy field
  10/11/24
do u know what a sister in law is?
Thriller glassy nursing home
  10/11/24
he's watched too much porn
Out-of-control trailer park
  10/11/24
Objection, nonresponsive
bearded ladyboy field
  10/11/24
...
nighttime ratface shitlib
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
bearded ladyboy field
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Marvelous Box Office Double Fault
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Excitant Juggernaut Becky
  10/11/24
mostly cr
lilac philosopher-king
  10/11/24
...
transparent 180 orchestra pit organic girlfriend
  10/12/24
this is exactly why I never sleep with my wife
tan bespoke center pervert
  12/23/25
depends on if your wife is dead or not
Out-of-control trailer park
  10/11/24
i believe this is colloquially known as "the biden rule...
Excitant Juggernaut Becky
  10/11/24
...
painfully honest exhilarant masturbator
  11/30/25
only if you don't take pictures to share with us
coral histrionic area codepig
  10/11/24
(martin brodeur)
sticky kink-friendly step-uncle's house
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
medicated fluffy site
  10/12/24
This. Plus they are always hugging and kissing you.
razzle-dazzle garnet hell degenerate
  10/12/24
...
coral histrionic area codepig
  12/23/25
Wtf
lilac philosopher-king
  10/12/24
This is my life. Constant blue balls.
medicated fluffy site
  10/12/24
...
razzmatazz brunch
  11/30/25
Is she a spicy Latina?
Gold Antidepressant Drug
  10/12/24
...
painfully honest exhilarant masturbator
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
razzle-dazzle garnet hell degenerate
  10/12/24
180
supple charcoal mood senate
  10/12/24
In middle school my wrestling coach married our hot as fuck...
domesticated irradiated kitchen affirmative action
  10/12/24
twist: the sil was Catherine of aragorn
laughsome milky shrine mexican
  10/12/24
If first brother was childless then this is classic Levirate...
citrine macaca
  10/12/24
The first marriage was less than a year before he died Se...
domesticated irradiated kitchen affirmative action
  10/12/24
He's literally the closest replacement for the guy. I can't ...
citrine macaca
  10/12/24
I'm not fucking my dead brothers wife. Couldn't force me at ...
domesticated irradiated kitchen affirmative action
  10/12/24
You're doing it for the purpose of having children, through ...
citrine macaca
  10/13/24
are we talking about your wife's sister or your brother's wi...
Curious Bearded State
  10/12/24
How many times do we have to go over this.
mint son of senegal casino
  10/12/24
...
appetizing blue associate
  10/12/24
...
painfully honest exhilarant masturbator
  11/30/25
...
appetizing blue associate
  12/23/25
...
nighttime ratface shitlib
  12/23/25
...
Jade range
  12/23/25
yes
awkward hyperactive dilemma wagecucks
  10/12/24
voice of reason as always cbtp
lilac philosopher-king
  10/12/24
not as deranged as brother-in-law
concupiscible institution idea he suggested
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Turquoise bipolar stage
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: lilac philosopher-king

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: insane crotch

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: razzmatazz brunch

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: insane crotch



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: bearded ladyboy field

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: Thriller glassy nursing home

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: Out-of-control trailer park

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: bearded ladyboy field

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: nighttime ratface shitlib



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: bearded ladyboy field

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: Marvelous Box Office Double Fault

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: Excitant Juggernaut Becky

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: lilac philosopher-king

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: transparent 180 orchestra pit organic girlfriend



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: tan bespoke center pervert

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: Out-of-control trailer park

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: Excitant Juggernaut Becky

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: painfully honest exhilarant masturbator



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: coral histrionic area codepig

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: sticky kink-friendly step-uncle's house

(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: medicated fluffy site

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: razzle-dazzle garnet hell degenerate

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: coral histrionic area codepig



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: lilac philosopher-king

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: medicated fluffy site

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: razzmatazz brunch



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Gold Antidepressant Drug

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: painfully honest exhilarant masturbator



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: razzle-dazzle garnet hell degenerate

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: supple charcoal mood senate

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: domesticated irradiated kitchen affirmative action

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: laughsome milky shrine mexican

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: citrine macaca

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: domesticated irradiated kitchen affirmative action

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: citrine macaca

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: domesticated irradiated kitchen affirmative action

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: citrine macaca

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: Curious Bearded State

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: mint son of senegal casino

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: appetizing blue associate



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: painfully honest exhilarant masturbator



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: appetizing blue associate



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: nighttime ratface shitlib



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Jade range



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: awkward hyperactive dilemma wagecucks

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: lilac philosopher-king

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: concupiscible institution idea he suggested

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: Turquoise bipolar stage

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)