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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?
hyperventilating temple fortuitous meteor
  10/11/24
I dunno. What if she has a nice ass?
180 shimmering newt
  10/11/24
more detail plz
Sepia Zombie-like Center
  10/11/24
...
180 shimmering newt
  10/11/24
It probably depends on how much you hate your bio parent and...
overrated clear stage
  10/11/24
do u know what a sister in law is?
dull pit incel
  10/11/24
he's watched too much porn
wonderful orchestra pit
  10/11/24
Objection, nonresponsive
overrated clear stage
  10/11/24
...
Mustard histrionic hell jew
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
overrated clear stage
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
bonkers domesticated university masturbator
  10/11/24
sleeping with anyone within your orbit of friends & fami...
cerebral tanning salon police squad
  10/11/24
mostly cr
hyperventilating temple fortuitous meteor
  10/11/24
...
stirring offensive trailer park
  10/12/24
this is exactly why I never sleep with my wife
sooty hissy fit
  12/23/25
depends on if your wife is dead or not
wonderful orchestra pit
  10/11/24
i believe this is colloquially known as "the biden rule...
cerebral tanning salon police squad
  10/11/24
...
Adventurous Up-to-no-good Church
  11/30/25
only if you don't take pictures to share with us
Salmon Seedy Prole
  10/11/24
(martin brodeur)
cracking apoplectic private investor
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
yellow base
  10/12/24
This. Plus they are always hugging and kissing you.
at-the-ready set
  10/12/24
...
Salmon Seedy Prole
  12/23/25
Wtf
hyperventilating temple fortuitous meteor
  10/12/24
This is my life. Constant blue balls.
yellow base
  10/12/24
...
Sepia Zombie-like Center
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Startled principal's office
  10/12/24
...
Adventurous Up-to-no-good Church
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
at-the-ready set
  10/12/24
180
swollen house
  10/12/24
...
Chocolate nighttime ticket booth
  10/12/24
twist: the sil was Catherine of aragorn
Insane navy school
  10/12/24
If first brother was childless then this is classic Levirate...
pink metal toilet seat
  10/12/24
...
Chocolate nighttime ticket booth
  10/12/24
He's literally the closest replacement for the guy. I can't ...
pink metal toilet seat
  10/12/24
...
Chocolate nighttime ticket booth
  10/12/24
You're doing it for the purpose of having children, through ...
pink metal toilet seat
  10/13/24
are we talking about your wife's sister or your brother's wi...
Razzmatazz black woman
  10/12/24
How many times do we have to go over this.
mewling splenetic dragon market
  10/12/24
...
cerise diverse death wish persian
  10/12/24
...
Adventurous Up-to-no-good Church
  11/30/25
...
cerise diverse death wish persian
  12/23/25
...
Mustard histrionic hell jew
  12/23/25
...
autistic property half-breed
  12/23/25
...
gedood persoon
  06/03/26
...
Bellevue therapy dog tp
  06/03/26
...
Mailer Daemon
  06/03/26
...
Bellevue therapy dog tp
  06/03/26
yes
Sticky yarmulke plaza
  10/12/24
voice of reason as always cbtp
hyperventilating temple fortuitous meteor
  10/12/24
not as deranged as brother-in-law
Dashing scourge upon the earth hunting ground
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Opaque indecent area gay wizard
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: hyperventilating temple fortuitous meteor

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: 180 shimmering newt

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: Sepia Zombie-like Center

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: 180 shimmering newt



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: overrated clear stage

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: dull pit incel

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: wonderful orchestra pit

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: overrated clear stage

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: Mustard histrionic hell jew



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: overrated clear stage

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: bonkers domesticated university masturbator

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: cerebral tanning salon police squad

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: hyperventilating temple fortuitous meteor

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: stirring offensive trailer park



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: sooty hissy fit

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: wonderful orchestra pit

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: cerebral tanning salon police squad

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: Adventurous Up-to-no-good Church



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Salmon Seedy Prole

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: cracking apoplectic private investor

(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: yellow base

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: at-the-ready set

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: Salmon Seedy Prole



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: hyperventilating temple fortuitous meteor

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: yellow base

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: Sepia Zombie-like Center



(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: Startled principal's office

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: Adventurous Up-to-no-good Church



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: at-the-ready set

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: swollen house

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Chocolate nighttime ticket booth



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Insane navy school

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: pink metal toilet seat

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: Chocolate nighttime ticket booth



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: pink metal toilet seat

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: Chocolate nighttime ticket booth



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: pink metal toilet seat

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: Razzmatazz black woman

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: mewling splenetic dragon market

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: cerise diverse death wish persian



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Adventurous Up-to-no-good Church



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: cerise diverse death wish persian



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Mustard histrionic hell jew



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: autistic property half-breed



(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: Bellevue therapy dog tp



(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: Bellevue therapy dog tp



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Sticky yarmulke plaza

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: hyperventilating temple fortuitous meteor

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: Dashing scourge upon the earth hunting ground

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: Opaque indecent area gay wizard

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)