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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?
vivacious lettuce
  10/11/24
I dunno. What if she has a nice ass?
azure dilemma private investor
  10/11/24
more detail plz
chestnut swashbuckling cuckold
  10/11/24
...
azure dilemma private investor
  10/11/24
It probably depends on how much you hate your bio parent and...
dashing orchestra pit
  10/11/24
do u know what a sister in law is?
Ruby Wrinkle Dysfunction
  10/11/24
he's watched too much porn
Buff hairless lodge
  10/11/24
Objection, nonresponsive
dashing orchestra pit
  10/11/24
...
Razzle Degenerate
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
dashing orchestra pit
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
wonderful smoky kitchen
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Frum address
  10/11/24
mostly cr
vivacious lettuce
  10/11/24
...
excitant cowardly house chad
  10/12/24
this is exactly why I never sleep with my wife
appetizing location
  12/23/25
depends on if your wife is dead or not
Buff hairless lodge
  10/11/24
i believe this is colloquially known as "the biden rule...
Frum address
  10/11/24
...
Multi-colored haunted graveyard
  11/30/25
only if you don't take pictures to share with us
Maniacal mentally impaired crackhouse
  10/11/24
(martin brodeur)
Very tactful indian lodge
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Disturbing dog poop
  10/12/24
This. Plus they are always hugging and kissing you.
Low-t Locale Mediation
  10/12/24
...
Maniacal mentally impaired crackhouse
  12/23/25
Wtf
vivacious lettuce
  10/12/24
This is my life. Constant blue balls.
Disturbing dog poop
  10/12/24
...
chestnut swashbuckling cuckold
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Flushed nibblets
  10/12/24
...
Multi-colored haunted graveyard
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Low-t Locale Mediation
  10/12/24
180
misanthropic light jewess
  10/12/24
...
painfully honest headpube whorehouse
  10/12/24
twist: the sil was Catherine of aragorn
Jet-lagged aqua resort
  10/12/24
If first brother was childless then this is classic Levirate...
Milky big idea he suggested
  10/12/24
...
painfully honest headpube whorehouse
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Milky big idea he suggested
  10/12/24
...
painfully honest headpube whorehouse
  10/12/24
You're doing it for the purpose of having children, through ...
Milky big idea he suggested
  10/13/24
are we talking about your wife's sister or your brother's wi...
Charismatic step-uncle's house
  10/12/24
How many times do we have to go over this.
wine area jap
  10/12/24
...
Hairraiser Legend
  10/12/24
...
Multi-colored haunted graveyard
  11/30/25
...
Hairraiser Legend
  12/23/25
...
Razzle Degenerate
  12/23/25
...
blue philosopher-king public bath
  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
mahogany elite garrison
  10/12/24
voice of reason as always cbtp
vivacious lettuce
  10/12/24
not as deranged as brother-in-law
heady demanding becky pistol
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
dun territorial pervert roommate
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: vivacious lettuce

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: azure dilemma private investor

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: chestnut swashbuckling cuckold

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: azure dilemma private investor



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: dashing orchestra pit

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=2betting#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Ruby Wrinkle Dysfunction

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Buff hairless lodge

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: dashing orchestra pit

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Razzle Degenerate



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: dashing orchestra pit

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=2betting#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: wonderful smoky kitchen

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=2betting#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: Frum address

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

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



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: vivacious lettuce

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: excitant cowardly house chad



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: appetizing location

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Buff hairless lodge

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Frum address

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Multi-colored haunted graveyard



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Maniacal mentally impaired crackhouse

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: Very tactful indian lodge

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Disturbing dog poop

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=2betting#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Low-t Locale Mediation

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Maniacal mentally impaired crackhouse



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: vivacious lettuce

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Disturbing dog poop

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: chestnut swashbuckling cuckold



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Flushed nibblets

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Multi-colored haunted graveyard



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Low-t Locale Mediation

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=2betting#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: misanthropic light jewess

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: painfully honest headpube whorehouse



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Jet-lagged aqua resort

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Milky big idea he suggested

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=2betting#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: painfully honest headpube whorehouse



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Milky big idea he suggested

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=2betting#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: painfully honest headpube whorehouse



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Milky big idea he suggested

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=2betting#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Charismatic step-uncle's house

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

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



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: wine area jap

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: Hairraiser Legend



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Multi-colored haunted graveyard



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Hairraiser Legend



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Razzle Degenerate



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: blue philosopher-king public bath



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



Reply Favorite

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



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



Reply Favorite

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



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: mahogany elite garrison

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: vivacious lettuce

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: heady demanding becky pistol

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: dun territorial pervert roommate

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=2betting#49533184)