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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 Pit Ladyboy
  10/11/24
I dunno. What if she has a nice ass?
self-absorbed grizzly area ratface
  10/11/24
more detail plz
hairraiser lay stock car
  10/11/24
...
self-absorbed grizzly area ratface
  10/11/24
It probably depends on how much you hate your bio parent and...
provocative dead karate abode
  10/11/24
do u know what a sister in law is?
frozen whorehouse gunner
  10/11/24
he's watched too much porn
irradiated turdskin
  10/11/24
Objection, nonresponsive
provocative dead karate abode
  10/11/24
...
ultramarine roast beef parlour
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
provocative dead karate abode
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Passionate citrine theater stage
  10/11/24
sleeping with anyone within your orbit of friends & fami...
geriatric frum azn tanning salon
  10/11/24
mostly cr
Supple Pit Ladyboy
  10/11/24
...
Crimson curious locale legal warrant
  10/12/24
this is exactly why I never sleep with my wife
Soggy Mentally Impaired Stead
  12/23/25
depends on if your wife is dead or not
irradiated turdskin
  10/11/24
i believe this is colloquially known as "the biden rule...
geriatric frum azn tanning salon
  10/11/24
...
Gaped bbw prole
  11/30/25
only if you don't take pictures to share with us
dull soul-stirring parlor
  10/11/24
(martin brodeur)
Wine excitant indian lodge dragon
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Disturbing Blue Home Keepsake Machete
  10/12/24
This. Plus they are always hugging and kissing you.
Charismatic point
  10/12/24
...
dull soul-stirring parlor
  12/23/25
Wtf
Supple Pit Ladyboy
  10/12/24
This is my life. Constant blue balls.
Disturbing Blue Home Keepsake Machete
  10/12/24
...
hairraiser lay stock car
  11/30/25
Is she a spicy Latina?
Insane wonderful volcanic crater theatre
  10/12/24
...
Gaped bbw prole
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Charismatic point
  10/12/24
180
carnelian range doctorate
  10/12/24
...
sooty tattoo
  10/12/24
twist: the sil was Catherine of aragorn
Stirring territorial legend messiness
  10/12/24
If first brother was childless then this is classic Levirate...
bipolar vivacious university
  10/12/24
...
sooty tattoo
  10/12/24
He's literally the closest replacement for the guy. I can't ...
bipolar vivacious university
  10/12/24
...
sooty tattoo
  10/12/24
You're doing it for the purpose of having children, through ...
bipolar vivacious university
  10/13/24
are we talking about your wife's sister or your brother's wi...
Clear slippery place of business address
  10/12/24
How many times do we have to go over this.
motley market fortuitous meteor
  10/12/24
...
bull headed state
  10/12/24
...
Gaped bbw prole
  11/30/25
...
bull headed state
  12/23/25
...
ultramarine roast beef parlour
  12/23/25
...
aphrodisiac fanboi twinkling uncleanness
  12/23/25
yes
rebellious party of the first part philosopher-king
  10/12/24
voice of reason as always cbtp
Supple Pit Ladyboy
  10/12/24
not as deranged as brother-in-law
odious coral idiot wagecucks
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
multi-colored shaky mood
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Supple Pit Ladyboy

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: self-absorbed grizzly area ratface

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: hairraiser lay stock car

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: self-absorbed grizzly area ratface



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: provocative dead karate 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=2).#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: frozen whorehouse gunner

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: irradiated turdskin

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: provocative dead karate abode

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: ultramarine roast beef parlour



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: provocative dead karate 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=2).#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: Passionate citrine theater stage

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: geriatric frum azn tanning salon

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: Supple Pit Ladyboy

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: Crimson curious locale legal warrant



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Soggy Mentally Impaired Stead

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: irradiated turdskin

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: geriatric frum azn tanning salon

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: Gaped bbw prole



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: dull soul-stirring parlor

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: Wine excitant indian lodge dragon

(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: Disturbing Blue Home Keepsake Machete

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: Charismatic point

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: dull soul-stirring parlor



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Supple Pit Ladyboy

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Disturbing Blue Home Keepsake Machete

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: hairraiser lay stock car



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Insane wonderful volcanic crater theatre

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: Gaped bbw prole



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



Reply Favorite

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

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: carnelian range doctorate

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: sooty tattoo



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Stirring territorial legend messiness

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: bipolar vivacious university

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: sooty tattoo



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: bipolar vivacious university

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: sooty tattoo



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: bipolar vivacious university

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: Clear slippery place of business address

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: motley market fortuitous meteor

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: bull headed state



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Gaped bbw prole



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: bull headed state



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: ultramarine roast beef parlour



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: aphrodisiac fanboi twinkling uncleanness



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: rebellious party of the first part philosopher-king

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Supple Pit Ladyboy

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: odious coral idiot wagecucks

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: multi-colored shaky mood

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)