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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?
Galvanic nibblets temple
  10/11/24
I dunno. What if she has a nice ass?
histrionic casino digit ratio
  10/11/24
more detail plz
jade indirect expression location
  10/11/24
...
histrionic casino digit ratio
  10/11/24
It probably depends on how much you hate your bio parent and...
Self-centered rehab
  10/11/24
do u know what a sister in law is?
Passionate Lay Pozpig
  10/11/24
he's watched too much porn
Violet well-lubricated mood principal's office
  10/11/24
Objection, nonresponsive
Self-centered rehab
  10/11/24
...
Charismatic den jew
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Self-centered rehab
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
vibrant kitty cat jap
  10/11/24
sleeping with anyone within your orbit of friends & fami...
cracking white roommate toilet seat
  10/11/24
mostly cr
Galvanic nibblets temple
  10/11/24
...
mustard antidepressant drug
  10/12/24
this is exactly why I never sleep with my wife
Spectacular stage community account
  12/23/25
depends on if your wife is dead or not
Violet well-lubricated mood principal's office
  10/11/24
i believe this is colloquially known as "the biden rule...
cracking white roommate toilet seat
  10/11/24
...
Slate Regret Toaster
  11/30/25
only if you don't take pictures to share with us
Splenetic Smoky Associate
  10/11/24
(martin brodeur)
Bistre glittery base
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Orange Hyperactive Useless Brakes
  10/12/24
This. Plus they are always hugging and kissing you.
yellow whorehouse
  10/12/24
...
Splenetic Smoky Associate
  12/23/25
Wtf
Galvanic nibblets temple
  10/12/24
This is my life. Constant blue balls.
Orange Hyperactive Useless Brakes
  10/12/24
...
jade indirect expression location
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Heady judgmental masturbator
  10/12/24
...
Slate Regret Toaster
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
yellow whorehouse
  10/12/24
180
brindle area legal warrant
  10/12/24
...
hyperventilating nofapping crackhouse round eye
  10/12/24
twist: the sil was Catherine of aragorn
Cerise theater stage
  10/12/24
If first brother was childless then this is classic Levirate...
flesh address weed whacker
  10/12/24
...
hyperventilating nofapping crackhouse round eye
  10/12/24
He's literally the closest replacement for the guy. I can't ...
flesh address weed whacker
  10/12/24
...
hyperventilating nofapping crackhouse round eye
  10/12/24
You're doing it for the purpose of having children, through ...
flesh address weed whacker
  10/13/24
are we talking about your wife's sister or your brother's wi...
rusted school cafeteria
  10/12/24
How many times do we have to go over this.
amethyst crawly stag film
  10/12/24
...
motley rambunctious piazza
  10/12/24
...
Slate Regret Toaster
  11/30/25
...
motley rambunctious piazza
  12/23/25
...
Charismatic den jew
  12/23/25
...
jet famous landscape painting
  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
Thirsty abusive rigor
  10/12/24
voice of reason as always cbtp
Galvanic nibblets temple
  10/12/24
not as deranged as brother-in-law
crystalline laughsome national son of senegal
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
trip twinkling uncleanness
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Galvanic nibblets temple

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: histrionic casino digit ratio

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: jade indirect expression location

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: histrionic casino digit ratio



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Self-centered rehab

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=2most#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Passionate Lay Pozpig

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Violet well-lubricated mood principal's office

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Self-centered rehab

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Charismatic den jew



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Self-centered rehab

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=2most#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: vibrant kitty cat jap

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=2most#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: cracking white roommate toilet seat

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

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



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Galvanic nibblets temple

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: mustard antidepressant drug



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Spectacular stage community account

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Violet well-lubricated mood principal's office

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: cracking white roommate toilet seat

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Slate Regret Toaster



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Splenetic Smoky Associate

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: Bistre glittery base

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Orange Hyperactive Useless Brakes

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=2most#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: yellow whorehouse

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Splenetic Smoky Associate



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Galvanic nibblets temple

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Orange Hyperactive Useless Brakes

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: jade indirect expression location



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Heady judgmental masturbator

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Slate Regret Toaster



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: yellow whorehouse

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=2most#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: brindle area legal warrant

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: hyperventilating nofapping crackhouse round eye



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Cerise theater stage

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: flesh address weed whacker

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=2most#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: hyperventilating nofapping crackhouse round eye



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: flesh address weed whacker

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=2most#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: hyperventilating nofapping crackhouse round eye



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: flesh address weed whacker

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=2most#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: rusted school cafeteria

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

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



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: amethyst crawly stag film

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: motley rambunctious piazza



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Slate Regret Toaster



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: motley rambunctious piazza



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Charismatic den jew



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: jet famous landscape painting



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



Reply Favorite

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



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



Reply Favorite

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



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Thirsty abusive rigor

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Galvanic nibblets temple

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: crystalline laughsome national son of senegal

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: trip twinkling uncleanness

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=2most#49533184)