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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 sticky dragon haunted graveyard
  10/11/24
I dunno. What if she has a nice ass?
vigorous stag film
  10/11/24
more detail plz
Pungent masturbator
  10/11/24
...
vigorous stag film
  10/11/24
It probably depends on how much you hate your bio parent and...
Rebellious Skinny Woman Abode
  10/11/24
do u know what a sister in law is?
Red Lay
  10/11/24
he's watched too much porn
Crystalline vivacious address black woman
  10/11/24
Objection, nonresponsive
Rebellious Skinny Woman Abode
  10/11/24
...
Geriatric Shimmering Resort
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Rebellious Skinny Woman Abode
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Vibrant bonkers parlor
  10/11/24
sleeping with anyone within your orbit of friends & fami...
bright razzmatazz indian lodge gay wizard
  10/11/24
mostly cr
indigo sticky dragon haunted graveyard
  10/11/24
...
Appetizing useless brakes multi-billionaire
  10/12/24
this is exactly why I never sleep with my wife
Filthy ratface
  12/23/25
depends on if your wife is dead or not
Crystalline vivacious address black woman
  10/11/24
i believe this is colloquially known as "the biden rule...
bright razzmatazz indian lodge gay wizard
  10/11/24
...
Fishy stead hairy legs
  11/30/25
only if you don't take pictures to share with us
Fantasy-prone church building
  10/11/24
(martin brodeur)
excitant stain foreskin
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Anal turquoise milk
  10/12/24
This. Plus they are always hugging and kissing you.
Costumed home
  10/12/24
...
Fantasy-prone church building
  12/23/25
Wtf
indigo sticky dragon haunted graveyard
  10/12/24
This is my life. Constant blue balls.
Anal turquoise milk
  10/12/24
...
Pungent masturbator
  11/30/25
Is she a spicy Latina?
boyish senate place of business
  10/12/24
...
Fishy stead hairy legs
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Costumed home
  10/12/24
180
Aromatic Slap-happy Piazza
  10/12/24
...
Ivory Misunderstood Range
  10/12/24
twist: the sil was Catherine of aragorn
charismatic locus
  10/12/24
If first brother was childless then this is classic Levirate...
sadistic center
  10/12/24
...
Ivory Misunderstood Range
  10/12/24
He's literally the closest replacement for the guy. I can't ...
sadistic center
  10/12/24
...
Ivory Misunderstood Range
  10/12/24
You're doing it for the purpose of having children, through ...
sadistic center
  10/13/24
are we talking about your wife's sister or your brother's wi...
Passionate Drunken Native
  10/12/24
How many times do we have to go over this.
Gaped charcoal bawdyhouse
  10/12/24
...
trip ceo chad
  10/12/24
...
Fishy stead hairy legs
  11/30/25
...
trip ceo chad
  12/23/25
...
Geriatric Shimmering Resort
  12/23/25
...
naked tripping corner nowag
  12/23/25
yes
Provocative water buffalo
  10/12/24
voice of reason as always cbtp
indigo sticky dragon haunted graveyard
  10/12/24
not as deranged as brother-in-law
Marvelous Stage
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
copper hyperactive sanctuary degenerate
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: indigo sticky dragon haunted graveyard

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: vigorous stag film

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Pungent masturbator

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: vigorous stag film



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Rebellious Skinny Woman Abode

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=2id.#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Red Lay

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Crystalline vivacious address black woman

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Rebellious Skinny Woman Abode

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Geriatric Shimmering Resort



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Rebellious Skinny Woman Abode

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=2id.#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: Vibrant bonkers parlor

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=2id.#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: bright razzmatazz indian lodge gay wizard

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

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



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: indigo sticky dragon haunted graveyard

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Appetizing useless brakes multi-billionaire



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Filthy ratface

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Crystalline vivacious address black woman

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: bright razzmatazz indian lodge gay wizard

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Fishy stead hairy legs



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Fantasy-prone church building

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: excitant stain foreskin

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Anal turquoise milk

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=2id.#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Costumed home

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Fantasy-prone church building



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: indigo sticky dragon haunted graveyard

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Anal turquoise milk

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Pungent masturbator



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: boyish senate place of business

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Fishy stead hairy legs



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Costumed home

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=2id.#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Aromatic Slap-happy Piazza

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Ivory Misunderstood Range



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: charismatic locus

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: sadistic center

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=2id.#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Ivory Misunderstood Range



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: sadistic center

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=2id.#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Ivory Misunderstood Range



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: sadistic center

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=2id.#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Passionate Drunken Native

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

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



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: Gaped charcoal bawdyhouse

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: trip ceo chad



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Fishy stead hairy legs



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: trip ceo chad



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Geriatric Shimmering Resort



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: naked tripping corner nowag



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Provocative water buffalo

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: indigo sticky dragon haunted graveyard

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: Marvelous Stage

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: copper hyperactive sanctuary degenerate

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=2id.#49533184)