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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?
Geriatric trust fund parlor
  10/11/24
I dunno. What if she has a nice ass?
obsidian athletic conference
  10/11/24
more detail plz
racy gaping
  10/11/24
...
obsidian athletic conference
  10/11/24
It probably depends on how much you hate your bio parent and...
supple crackhouse
  10/11/24
do u know what a sister in law is?
blue state cuck
  10/11/24
he's watched too much porn
Tan foreskin electric furnace
  10/11/24
Objection, nonresponsive
supple crackhouse
  10/11/24
...
amethyst multi-colored love of her life
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
supple crackhouse
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
painfully honest 180 cruise ship blood rage
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Iridescent Curious Old Irish Cottage
  10/11/24
mostly cr
Geriatric trust fund parlor
  10/11/24
...
Pale floppy patrolman
  10/12/24
this is exactly why I never sleep with my wife
Razzle magenta native gunner
  12/23/25
depends on if your wife is dead or not
Tan foreskin electric furnace
  10/11/24
i believe this is colloquially known as "the biden rule...
Iridescent Curious Old Irish Cottage
  10/11/24
...
Drab private investor
  11/30/25
only if you don't take pictures to share with us
dun school cafeteria round eye
  10/11/24
(martin brodeur)
Vibrant adulterous chapel
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
brindle travel guidebook
  10/12/24
This. Plus they are always hugging and kissing you.
hairraiser psychic degenerate
  10/12/24
...
dun school cafeteria round eye
  12/23/25
Wtf
Geriatric trust fund parlor
  10/12/24
This is my life. Constant blue balls.
brindle travel guidebook
  10/12/24
...
racy gaping
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Carnelian insecure marketing idea personal credit line
  10/12/24
...
Drab private investor
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
hairraiser psychic degenerate
  10/12/24
180
Disgusting Gold Meetinghouse Potus
  10/12/24
...
walnut jap laser beams
  10/12/24
twist: the sil was Catherine of aragorn
exhilarant roast beef
  10/12/24
If first brother was childless then this is classic Levirate...
house-broken khaki business firm police squad
  10/12/24
...
walnut jap laser beams
  10/12/24
He's literally the closest replacement for the guy. I can't ...
house-broken khaki business firm police squad
  10/12/24
...
walnut jap laser beams
  10/12/24
You're doing it for the purpose of having children, through ...
house-broken khaki business firm police squad
  10/13/24
are we talking about your wife's sister or your brother's wi...
Lascivious Drunken Water Buffalo Dingle Berry
  10/12/24
How many times do we have to go over this.
french very tactful library
  10/12/24
...
cracking hunting ground regret
  10/12/24
...
Drab private investor
  11/30/25
...
cracking hunting ground regret
  12/23/25
...
amethyst multi-colored love of her life
  12/23/25
...
Wonderful pungent resort elastic band
  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
medicated site keepsake machete
  10/12/24
voice of reason as always cbtp
Geriatric trust fund parlor
  10/12/24
not as deranged as brother-in-law
mind-boggling smoky step-uncle's house skinny woman
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
aphrodisiac navy stead persian
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Geriatric trust fund parlor

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: obsidian athletic conference

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: racy gaping

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: obsidian athletic conference



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: supple crackhouse

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...id#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: blue state cuck

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Tan foreskin electric furnace

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: supple crackhouse

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: amethyst multi-colored love of her life



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: supple crackhouse

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...id#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: painfully honest 180 cruise ship blood rage

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...id#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: Iridescent Curious Old Irish Cottage

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...id#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Geriatric trust fund parlor

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Pale floppy patrolman



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Razzle magenta native gunner

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Tan foreskin electric furnace

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Iridescent Curious Old Irish Cottage

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Drab private investor



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: dun school cafeteria round eye

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: Vibrant adulterous chapel

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: brindle travel guidebook

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...id#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: hairraiser psychic degenerate

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: dun school cafeteria round eye



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Geriatric trust fund parlor

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: brindle travel guidebook

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: racy gaping



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Carnelian insecure marketing idea personal credit line

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Drab private investor



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: hairraiser psychic degenerate

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...id#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Disgusting Gold Meetinghouse Potus

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: walnut jap laser beams



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: exhilarant roast beef

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: house-broken khaki business firm police squad

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...id#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: walnut jap laser beams



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: house-broken khaki business firm police squad

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...id#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: walnut jap laser beams



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: house-broken khaki business firm police squad

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...id#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Lascivious Drunken Water Buffalo Dingle Berry

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...id#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: french very tactful library

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: cracking hunting ground regret



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Drab private investor



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: cracking hunting ground regret



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: amethyst multi-colored love of her life



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Wonderful pungent resort elastic band



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



Reply Favorite

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



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



Reply Favorite

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



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: medicated site keepsake machete

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Geriatric trust fund parlor

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: mind-boggling smoky step-uncle's house skinny woman

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: aphrodisiac navy stead persian

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...id#49533184)