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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?
Lascivious Frozen Office Genital Piercing
  10/11/24
I dunno. What if she has a nice ass?
razzle-dazzle masturbator hominid
  10/11/24
more detail plz
insecure spot
  10/11/24
...
razzle-dazzle masturbator hominid
  10/11/24
It probably depends on how much you hate your bio parent and...
Awkward crusty gas station
  10/11/24
do u know what a sister in law is?
Violent Free-loading Theatre
  10/11/24
he's watched too much porn
salmon trip boiling water incel
  10/11/24
Objection, nonresponsive
Awkward crusty gas station
  10/11/24
...
elite ceo
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Awkward crusty gas station
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
mint home windowlicker
  10/11/24
sleeping with anyone within your orbit of friends & fami...
aphrodisiac opaque crackhouse selfie
  10/11/24
mostly cr
Lascivious Frozen Office Genital Piercing
  10/11/24
...
Hideous Bright Den
  10/12/24
this is exactly why I never sleep with my wife
carmine center yarmulke
  12/23/25
depends on if your wife is dead or not
salmon trip boiling water incel
  10/11/24
i believe this is colloquially known as "the biden rule...
aphrodisiac opaque crackhouse selfie
  10/11/24
...
Transparent Goyim
  11/30/25
only if you don't take pictures to share with us
White goal in life range
  10/11/24
(martin brodeur)
Pungent misunderstood market knife
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
vibrant honey-headed property karate
  10/12/24
This. Plus they are always hugging and kissing you.
Hairraiser parlour
  10/12/24
...
White goal in life range
  12/23/25
Wtf
Lascivious Frozen Office Genital Piercing
  10/12/24
This is my life. Constant blue balls.
vibrant honey-headed property karate
  10/12/24
...
insecure spot
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Talented amber hospital
  10/12/24
...
Transparent Goyim
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Hairraiser parlour
  10/12/24
180
chestnut hyperventilating hall pistol
  10/12/24
...
aromatic adulterous heaven patrolman
  10/12/24
twist: the sil was Catherine of aragorn
Out-of-control vivacious hell
  10/12/24
If first brother was childless then this is classic Levirate...
Impertinent cuckoldry trailer park
  10/12/24
...
aromatic adulterous heaven patrolman
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Impertinent cuckoldry trailer park
  10/12/24
...
aromatic adulterous heaven patrolman
  10/12/24
You're doing it for the purpose of having children, through ...
Impertinent cuckoldry trailer park
  10/13/24
are we talking about your wife's sister or your brother's wi...
Charismatic garnet mental disorder base
  10/12/24
How many times do we have to go over this.
heady piazza
  10/12/24
...
Unholy Hunting Ground Really Tough Guy
  10/12/24
...
Transparent Goyim
  11/30/25
...
Unholy Hunting Ground Really Tough Guy
  12/23/25
...
elite ceo
  12/23/25
...
Stimulating bat shit crazy toaster
  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
Rambunctious Sapphire Tanning Salon Multi-billionaire
  10/12/24
voice of reason as always cbtp
Lascivious Frozen Office Genital Piercing
  10/12/24
not as deranged as brother-in-law
walnut boyish macaca wagecucks
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Mustard Splenetic Theater
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Lascivious Frozen Office Genital Piercing

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: razzle-dazzle masturbator hominid

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: insecure spot

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: razzle-dazzle masturbator hominid



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Awkward crusty gas station

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=2Ã#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Violent Free-loading Theatre

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: salmon trip boiling water incel

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Awkward crusty gas station

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: elite ceo



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Awkward crusty gas station

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=2Ã#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: mint home windowlicker

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=2Ã#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: aphrodisiac opaque crackhouse selfie

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

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



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Lascivious Frozen Office Genital Piercing

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Hideous Bright Den



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: carmine center yarmulke

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: salmon trip boiling water incel

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: aphrodisiac opaque crackhouse selfie

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Transparent Goyim



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: White goal in life range

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: Pungent misunderstood market knife

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: vibrant honey-headed property karate

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=2Ã#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Hairraiser parlour

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: White goal in life range



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Lascivious Frozen Office Genital Piercing

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: vibrant honey-headed property karate

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: insecure spot



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Talented amber hospital

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Transparent Goyim



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Hairraiser parlour

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=2Ã#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: chestnut hyperventilating hall pistol

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: aromatic adulterous heaven patrolman



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Out-of-control vivacious hell

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Impertinent cuckoldry trailer park

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=2Ã#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: aromatic adulterous heaven patrolman



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Impertinent cuckoldry trailer park

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=2Ã#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: aromatic adulterous heaven patrolman



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Impertinent cuckoldry trailer park

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=2Ã#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Charismatic garnet mental disorder base

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

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



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: heady piazza

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: Unholy Hunting Ground Really Tough Guy



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Transparent Goyim



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Unholy Hunting Ground Really Tough Guy



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: elite ceo



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Stimulating bat shit crazy toaster



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



Reply Favorite

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



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



Reply Favorite

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



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Rambunctious Sapphire Tanning Salon Multi-billionaire

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Lascivious Frozen Office Genital Piercing

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: walnut boyish macaca wagecucks

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: Mustard Splenetic Theater

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=2Ã#49533184)