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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?
submissive legend
  10/11/24
I dunno. What if she has a nice ass?
Mustard balding native doctorate
  10/11/24
more detail plz
talking menage twinkling uncleanness
  10/11/24
...
Mustard balding native doctorate
  10/11/24
It probably depends on how much you hate your bio parent and...
chestnut church
  10/11/24
do u know what a sister in law is?
hilarious dashing windowlicker locus
  10/11/24
he's watched too much porn
zippy vermilion son of senegal
  10/11/24
Objection, nonresponsive
chestnut church
  10/11/24
...
Bateful international law enforcement agency
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
chestnut church
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Misanthropic soul-stirring whorehouse mediation
  10/11/24
sleeping with anyone within your orbit of friends & fami...
cracking carmine party of the first part
  10/11/24
mostly cr
submissive legend
  10/11/24
...
Smoky disgusting crackhouse
  10/12/24
this is exactly why I never sleep with my wife
Costumed jade brunch filthpig
  12/23/25
depends on if your wife is dead or not
zippy vermilion son of senegal
  10/11/24
i believe this is colloquially known as "the biden rule...
cracking carmine party of the first part
  10/11/24
...
Mind-boggling fluffy plaza trust fund
  11/30/25
only if you don't take pictures to share with us
motley giraffe
  10/11/24
(martin brodeur)
Sapphire library patrolman
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Metal dysfunction
  10/12/24
This. Plus they are always hugging and kissing you.
khaki impressive theater karate
  10/12/24
...
motley giraffe
  12/23/25
Wtf
submissive legend
  10/12/24
This is my life. Constant blue balls.
Metal dysfunction
  10/12/24
...
talking menage twinkling uncleanness
  11/30/25
Is she a spicy Latina?
Clear Volcanic Crater Lay
  10/12/24
...
Mind-boggling fluffy plaza trust fund
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
khaki impressive theater karate
  10/12/24
180
saffron house-broken personal credit line cruise ship
  10/12/24
In middle school my wrestling coach married our hot as fuck...
White Beady-eyed Prole Dilemma
  10/12/24
twist: the sil was Catherine of aragorn
domesticated state
  10/12/24
If first brother was childless then this is classic Levirate...
big-titted mauve center macaca
  10/12/24
The first marriage was less than a year before he died Se...
White Beady-eyed Prole Dilemma
  10/12/24
He's literally the closest replacement for the guy. I can't ...
big-titted mauve center macaca
  10/12/24
I'm not fucking my dead brothers wife. Couldn't force me at ...
White Beady-eyed Prole Dilemma
  10/12/24
You're doing it for the purpose of having children, through ...
big-titted mauve center macaca
  10/13/24
are we talking about your wife's sister or your brother's wi...
Purple Wagecucks
  10/12/24
How many times do we have to go over this.
coral startling market
  10/12/24
...
bat shit crazy shrine dog poop
  10/12/24
...
Mind-boggling fluffy plaza trust fund
  11/30/25
...
bat shit crazy shrine dog poop
  12/23/25
...
Bateful international law enforcement agency
  12/23/25
...
Heady learning disabled wrinkle hall
  12/23/25
yes
Aromatic Space Shitlib
  10/12/24
voice of reason as always cbtp
submissive legend
  10/12/24
not as deranged as brother-in-law
Cerise mad-dog skullcap institution
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
effete bawdyhouse
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: submissive legend

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: Mustard balding native doctorate

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: talking menage twinkling uncleanness

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: Mustard balding native doctorate



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: chestnut church

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: hilarious dashing windowlicker locus

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: zippy vermilion son of senegal

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: chestnut church

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: Bateful international law enforcement agency



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: chestnut church

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: Misanthropic soul-stirring whorehouse mediation

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: cracking carmine party of the first part

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: submissive legend

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: Smoky disgusting crackhouse



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Costumed jade brunch filthpig

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: zippy vermilion son of senegal

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: cracking carmine party of the first part

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: Mind-boggling fluffy plaza trust fund



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: motley giraffe

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: Sapphire library patrolman

(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: Metal dysfunction

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: khaki impressive theater karate

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: motley giraffe



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: submissive legend

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Metal dysfunction

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: talking menage twinkling uncleanness



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Clear Volcanic Crater Lay

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: Mind-boggling fluffy plaza trust fund



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: khaki impressive theater karate

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: saffron house-broken personal credit line cruise ship

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: White Beady-eyed Prole Dilemma

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=2Vannesa#48189979)



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: domesticated state

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: big-titted mauve center 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=2Vannesa#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: White Beady-eyed Prole Dilemma

The first marriage was less than a year before he died

Seems insane

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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: big-titted mauve center 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=2Vannesa#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: White Beady-eyed Prole Dilemma

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=2Vannesa#48190723)



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: big-titted mauve center 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=2Vannesa#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Purple Wagecucks

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: coral startling market

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: bat shit crazy shrine dog poop



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Mind-boggling fluffy plaza trust fund



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: bat shit crazy shrine dog poop



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Bateful international law enforcement agency



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Heady learning disabled wrinkle hall



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Aromatic Space Shitlib

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: submissive legend

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: Cerise mad-dog skullcap institution

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: effete bawdyhouse

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)