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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?
indigo temple
  10/11/24
I dunno. What if she has a nice ass?
ebony arousing office
  10/11/24
more detail plz
Sapphire spectacular hospital messiness
  10/11/24
...
ebony arousing office
  10/11/24
It probably depends on how much you hate your bio parent and...
soggy sick piazza fortuitous meteor
  10/11/24
do u know what a sister in law is?
Garnet haunting den
  10/11/24
he's watched too much porn
naked vengeful deer antler
  10/11/24
Objection, nonresponsive
soggy sick piazza fortuitous meteor
  10/11/24
...
nude gunner
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
soggy sick piazza fortuitous meteor
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Yellow Boltzmann Turdskin
  10/11/24
sleeping with anyone within your orbit of friends & fami...
sinister chocolate home
  10/11/24
mostly cr
indigo temple
  10/11/24
...
metal pistol school cafeteria
  10/12/24
this is exactly why I never sleep with my wife
Wang Hernandez
  12/23/25
depends on if your wife is dead or not
naked vengeful deer antler
  10/11/24
i believe this is colloquially known as "the biden rule...
sinister chocolate home
  10/11/24
...
Anal pearly institution
  11/30/25
only if you don't take pictures to share with us
Walnut doobsian locale people who are hurt
  10/11/24
(martin brodeur)
contagious chapel
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
marvelous cuckold center
  10/12/24
This. Plus they are always hugging and kissing you.
Cerebral Infuriating Travel Guidebook
  10/12/24
...
Trust If Aryan
  12/23/25
Wtf
indigo temple
  10/12/24
This is my life. Constant blue balls.
marvelous cuckold center
  10/12/24
...
Sapphire spectacular hospital messiness
  11/30/25
Is she a spicy Latina?
hilarious theatre cuckoldry
  10/12/24
...
Anal pearly institution
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Cerebral Infuriating Travel Guidebook
  10/12/24
180
Cobalt Vigorous Electric Furnace
  10/12/24
In middle school my wrestling coach married our hot as fuck...
Adventurous Hall
  10/12/24
twist: the sil was Catherine of aragorn
Vibrant Salmon Newt Location
  10/12/24
If first brother was childless then this is classic Levirate...
galvanic chartreuse menage halford
  10/12/24
The first marriage was less than a year before he died Se...
Adventurous Hall
  10/12/24
He's literally the closest replacement for the guy. I can't ...
galvanic chartreuse menage halford
  10/12/24
I'm not fucking my dead brothers wife. Couldn't force me at ...
Adventurous Hall
  10/12/24
You're doing it for the purpose of having children, through ...
galvanic chartreuse menage halford
  10/13/24
are we talking about your wife's sister or your brother's wi...
Mahogany painfully honest pocket flask pisswyrm
  10/12/24
How many times do we have to go over this.
histrionic nofapping voyeur
  10/12/24
...
hairraiser abusive mental disorder
  10/12/24
...
Anal pearly institution
  11/30/25
...
gedood persoon
  12/23/25
...
nude gunner
  12/23/25
...
Alluring sisters in law of yesteryear
  12/23/25
yes
Crystalline Dashing Twinkling Uncleanness
  10/12/24
voice of reason as always cbtp
indigo temple
  10/12/24
not as deranged as brother-in-law
Violet bespoke point
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
....,.,.;;;,.,,:,.,.,::,.....,:,..,..
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: indigo temple

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: ebony arousing office

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Sapphire spectacular hospital messiness

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: ebony arousing office



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: soggy sick piazza fortuitous meteor

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...id#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Garnet haunting den

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: naked vengeful deer antler

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: soggy sick piazza fortuitous meteor

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: nude gunner (gunneratttt)



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: soggy sick piazza fortuitous meteor

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...id#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: Yellow Boltzmann Turdskin

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...id#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: sinister chocolate home

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...id#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: indigo temple

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: metal pistol school cafeteria



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Wang Hernandez

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: naked vengeful deer antler

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: sinister chocolate home

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Anal pearly institution



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Walnut doobsian locale people who are hurt

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: contagious chapel

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: marvelous cuckold center

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...id#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Cerebral Infuriating Travel Guidebook

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Trust If Aryan



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: indigo temple

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: marvelous cuckold center

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Sapphire spectacular hospital messiness



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: hilarious theatre cuckoldry

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Anal pearly institution



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Cerebral Infuriating Travel Guidebook

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...id#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Cobalt Vigorous Electric Furnace

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Adventurous Hall

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...id#48189979)



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Vibrant Salmon Newt Location

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: galvanic chartreuse menage halford

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...id#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Adventurous Hall

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...id#48190672)



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: galvanic chartreuse menage halford

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...id#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Adventurous Hall

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...id#48190723)



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: galvanic chartreuse menage halford

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...id#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Mahogany painfully honest pocket flask pisswyrm

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...id#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: histrionic nofapping voyeur

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: hairraiser abusive mental disorder



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Anal pearly institution



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: gedood persoon



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: nude gunner (gunneratttt)



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Alluring sisters in law of yesteryear (πŸΎπŸ‘£)



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Crystalline Dashing Twinkling Uncleanness

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: indigo temple

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: Violet bespoke point

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: ....,.,.;;;,.,,:,.,.,::,.....,:,..,..


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...id#49533184)