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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?
Supple Hateful Private Investor Principal's Office
  10/11/24
I dunno. What if she has a nice ass?
Trip base windowlicker
  10/11/24
more detail plz
Fluffy Puce Karate
  10/11/24
...
Trip base windowlicker
  10/11/24
It probably depends on how much you hate your bio parent and...
provocative overrated site puppy
  10/11/24
do u know what a sister in law is?
glassy floppy market
  10/11/24
he's watched too much porn
Fragrant Elastic Band
  10/11/24
Objection, nonresponsive
provocative overrated site puppy
  10/11/24
...
Histrionic bat-shit-crazy parlour nibblets
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
provocative overrated site puppy
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Dashing effete house cuckoldry
  10/11/24
sleeping with anyone within your orbit of friends & fami...
metal free-loading locus
  10/11/24
mostly cr
Supple Hateful Private Investor Principal's Office
  10/11/24
...
Thirsty quadroon garrison
  10/12/24
this is exactly why I never sleep with my wife
Talking den
  12/23/25
depends on if your wife is dead or not
Fragrant Elastic Band
  10/11/24
i believe this is colloquially known as "the biden rule...
metal free-loading locus
  10/11/24
...
Amber thriller reading party hairy legs
  11/30/25
only if you don't take pictures to share with us
Wonderful fuchsia potus meetinghouse
  10/11/24
(martin brodeur)
Demanding ebony useless brakes
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
kink-friendly hyperactive mother
  10/12/24
This. Plus they are always hugging and kissing you.
Charismatic library
  10/12/24
...
Wonderful fuchsia potus meetinghouse
  12/23/25
Wtf
Supple Hateful Private Investor Principal's Office
  10/12/24
This is my life. Constant blue balls.
kink-friendly hyperactive mother
  10/12/24
...
Fluffy Puce Karate
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
lascivious shitlib
  10/12/24
...
Amber thriller reading party hairy legs
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Charismatic library
  10/12/24
180
Laughsome Disturbing Gaming Laptop Pozpig
  10/12/24
...
Mind-boggling stead mediation
  10/12/24
twist: the sil was Catherine of aragorn
Aphrodisiac antidepressant drug
  10/12/24
If first brother was childless then this is classic Levirate...
aromatic mentally impaired piazza
  10/12/24
...
Mind-boggling stead mediation
  10/12/24
He's literally the closest replacement for the guy. I can't ...
aromatic mentally impaired piazza
  10/12/24
...
Mind-boggling stead mediation
  10/12/24
You're doing it for the purpose of having children, through ...
aromatic mentally impaired piazza
  10/13/24
are we talking about your wife's sister or your brother's wi...
spruce alpha
  10/12/24
How many times do we have to go over this.
avocado comical dragon
  10/12/24
...
crawly box office feces
  10/12/24
...
Amber thriller reading party hairy legs
  11/30/25
...
crawly box office feces
  12/23/25
...
Histrionic bat-shit-crazy parlour nibblets
  12/23/25
...
heady associate
  12/23/25
...
gedood persoon
  06/03/26
...
Emilio Estevez circa 2032
  06/03/26
...
Mailer Daemon
  06/03/26
...
Emilio Estevez circa 2032
  06/03/26
yes
Pungent Weed Whacker
  10/12/24
voice of reason as always cbtp
Supple Hateful Private Investor Principal's Office
  10/12/24
not as deranged as brother-in-law
Sick Mad-dog Skullcap Theater
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Sticky blood rage
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Supple Hateful Private Investor Principal's Office

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Trip base windowlicker

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Fluffy Puce Karate

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: Trip base windowlicker



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: provocative overrated site puppy

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=2Vannesa#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: glassy floppy market

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Fragrant Elastic Band

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: provocative overrated site puppy

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Histrionic bat-shit-crazy parlour nibblets



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: provocative overrated site puppy

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=2Vannesa#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: Dashing effete house cuckoldry

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=2Vannesa#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: metal free-loading locus

sleeping with anyone within your orbit of friends & family is insane and doomed

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2Vannesa#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Supple Hateful Private Investor Principal's Office

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Thirsty quadroon garrison



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Talking den

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Fragrant Elastic Band

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: metal free-loading locus

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Amber thriller reading party hairy legs



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Wonderful fuchsia potus meetinghouse

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: Demanding ebony useless brakes

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: kink-friendly hyperactive mother

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=2Vannesa#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Charismatic library

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Wonderful fuchsia potus meetinghouse



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Supple Hateful Private Investor Principal's Office

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: kink-friendly hyperactive mother

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Fluffy Puce Karate



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



Reply Favorite

Date: June 3rd, 2026 4:32 PM
Author: ...,,..;...,,..,..,...,,,;..,


i'm married to the younger hotter sister, and the temptation is still 100% there for the older less-hot SIL for exactly the same reasons you mentioned.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2Vannesa#49913429)



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: lascivious shitlib

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Amber thriller reading party hairy legs



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Charismatic library

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=2Vannesa#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Laughsome Disturbing Gaming Laptop Pozpig

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Mind-boggling stead mediation



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Aphrodisiac antidepressant drug

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: aromatic mentally impaired piazza

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=2Vannesa#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Mind-boggling stead mediation



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: aromatic mentally impaired piazza

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=2Vannesa#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Mind-boggling stead mediation



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: aromatic mentally impaired piazza

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=2Vannesa#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: spruce alpha

are we talking about your wife's sister or your brother's wife?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2Vannesa#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: avocado comical dragon

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: crawly box office feces



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Amber thriller reading party hairy legs



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: crawly box office feces



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Histrionic bat-shit-crazy parlour nibblets



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: heady associate



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



Reply Favorite

Date: June 3rd, 2026 3:03 PM
Author: gedood persoon



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2Vannesa#49913228)



Reply Favorite

Date: June 3rd, 2026 3:08 PM
Author: Emilio Estevez circa 2032



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2Vannesa#49913235)



Reply Favorite

Date: June 3rd, 2026 3:20 PM
Author: Mailer Daemon



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2Vannesa#49913261)



Reply Favorite

Date: June 3rd, 2026 4:24 PM
Author: Emilio Estevez circa 2032



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2Vannesa#49913390)



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Pungent Weed Whacker

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Supple Hateful Private Investor Principal's Office

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: Sick Mad-dog Skullcap Theater

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: Sticky blood rage

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=2Vannesa#49533184)