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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?
Flirting Dull Point Pocket Flask
  10/11/24
I dunno. What if she has a nice ass?
Onyx Electric Pisswyrm
  10/11/24
more detail plz
rambunctious corner cuckoldry
  10/11/24
...
Onyx Electric Pisswyrm
  10/11/24
It probably depends on how much you hate your bio parent and...
boyish alcoholic hell travel guidebook
  10/11/24
do u know what a sister in law is?
Alcoholic Galvanic Theater Stage
  10/11/24
he's watched too much porn
mentally impaired sneaky criminal
  10/11/24
Objection, nonresponsive
boyish alcoholic hell travel guidebook
  10/11/24
...
plum dashing church gaping
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
boyish alcoholic hell travel guidebook
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
aromatic flickering wagecucks brunch
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Sickened Generalized Bond Fanboi
  10/11/24
mostly cr
Flirting Dull Point Pocket Flask
  10/11/24
...
Stubborn Curious Foreskin
  10/12/24
this is exactly why I never sleep with my wife
nubile impertinent double fault
  12/23/25
depends on if your wife is dead or not
mentally impaired sneaky criminal
  10/11/24
i believe this is colloquially known as "the biden rule...
Sickened Generalized Bond Fanboi
  10/11/24
...
Disrespectful vibrant personal credit line rigpig
  11/30/25
only if you don't take pictures to share with us
Cerebral useless brakes
  10/11/24
(martin brodeur)
180 Boltzmann
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Gay Charismatic Abode Legend
  10/12/24
This. Plus they are always hugging and kissing you.
Splenetic Black Gay Wizard
  10/12/24
...
Cerebral useless brakes
  12/23/25
Wtf
Flirting Dull Point Pocket Flask
  10/12/24
This is my life. Constant blue balls.
Gay Charismatic Abode Legend
  10/12/24
...
rambunctious corner cuckoldry
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
domesticated big senate
  10/12/24
...
Disrespectful vibrant personal credit line rigpig
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Splenetic Black Gay Wizard
  10/12/24
180
Magenta Hall
  10/12/24
...
Laughsome costumed mental disorder
  10/12/24
twist: the sil was Catherine of aragorn
drab floppy digit ratio really tough guy
  10/12/24
If first brother was childless then this is classic Levirate...
Trip locus prole
  10/12/24
...
Laughsome costumed mental disorder
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Trip locus prole
  10/12/24
...
Laughsome costumed mental disorder
  10/12/24
You're doing it for the purpose of having children, through ...
Trip locus prole
  10/13/24
are we talking about your wife's sister or your brother's wi...
Emerald multi-billionaire field
  10/12/24
How many times do we have to go over this.
cheese-eating parlour doctorate
  10/12/24
...
crimson cumskin
  10/12/24
...
Disrespectful vibrant personal credit line rigpig
  11/30/25
...
crimson cumskin
  12/23/25
...
plum dashing church gaping
  12/23/25
...
Pink candlestick maker kitchen
  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
Sienna ratface
  10/12/24
voice of reason as always cbtp
Flirting Dull Point Pocket Flask
  10/12/24
not as deranged as brother-in-law
french brass dingle berry
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Beady-eyed gold love of her life forum
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Flirting Dull Point Pocket Flask

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Onyx Electric Pisswyrm

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: rambunctious corner cuckoldry

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: Onyx Electric Pisswyrm



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: boyish alcoholic hell travel guidebook

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=2Elisa#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Alcoholic Galvanic Theater Stage

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: mentally impaired sneaky criminal

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: boyish alcoholic hell travel guidebook

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: plum dashing church gaping



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: boyish alcoholic hell travel guidebook

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=2Elisa#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: aromatic flickering wagecucks brunch

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=2Elisa#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: Sickened Generalized Bond Fanboi

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

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



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Flirting Dull Point Pocket Flask

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Stubborn Curious Foreskin



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: nubile impertinent double fault

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: mentally impaired sneaky criminal

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Sickened Generalized Bond Fanboi

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Disrespectful vibrant personal credit line rigpig



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Cerebral useless brakes

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: 180 Boltzmann

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Gay Charismatic Abode Legend

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=2Elisa#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Splenetic Black Gay Wizard

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Cerebral useless brakes



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Flirting Dull Point Pocket Flask

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Gay Charismatic Abode Legend

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: rambunctious corner cuckoldry



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: domesticated big senate

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Disrespectful vibrant personal credit line rigpig



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Splenetic Black Gay Wizard

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=2Elisa#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Magenta Hall

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Laughsome costumed mental disorder



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: drab floppy digit ratio really tough guy

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Trip locus prole

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=2Elisa#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Laughsome costumed mental disorder



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Trip locus prole

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=2Elisa#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Laughsome costumed mental disorder



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Trip locus prole

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=2Elisa#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Emerald multi-billionaire field

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

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



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: cheese-eating parlour doctorate

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: crimson cumskin



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: Disrespectful vibrant personal credit line rigpig



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: crimson cumskin



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: plum dashing church gaping



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Pink candlestick maker kitchen



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



Reply Favorite

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



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



Reply Favorite

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



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: Sienna ratface

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Flirting Dull Point Pocket Flask

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: french brass dingle berry

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: Beady-eyed gold love of her life forum

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=2Elisa#49533184)