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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?
bearded lilac stead black woman
  10/11/24
I dunno. What if she has a nice ass?
Copper frum water buffalo
  10/11/24
more detail plz
flushed police squad temple
  10/11/24
...
Copper frum water buffalo
  10/11/24
It probably depends on how much you hate your bio parent and...
aqua dingle berry location
  10/11/24
do u know what a sister in law is?
Dull sanctuary pistol
  10/11/24
he's watched too much porn
ultramarine house-broken nursing home
  10/11/24
Objection, nonresponsive
aqua dingle berry location
  10/11/24
...
carnelian nubile idea he suggested preventive strike
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
aqua dingle berry location
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Filthy Bateful Stage
  10/11/24
sleeping with anyone within your orbit of friends & fami...
tan marvelous abode dragon
  10/11/24
mostly cr
bearded lilac stead black woman
  10/11/24
...
jade field
  10/12/24
this is exactly why I never sleep with my wife
cocky demanding trailer park potus
  12/23/25
depends on if your wife is dead or not
ultramarine house-broken nursing home
  10/11/24
i believe this is colloquially known as "the biden rule...
tan marvelous abode dragon
  10/11/24
...
dashing beta range rigor
  11/30/25
only if you don't take pictures to share with us
Rose stirring area
  10/11/24
(martin brodeur)
Anal parlour jew
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Yapping address
  10/12/24
This. Plus they are always hugging and kissing you.
curious overrated private investor cruise ship
  10/12/24
...
Rose stirring area
  12/23/25
Wtf
bearded lilac stead black woman
  10/12/24
This is my life. Constant blue balls.
Yapping address
  10/12/24
...
flushed police squad temple
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
cream wrinkle
  10/12/24
...
dashing beta range rigor
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
curious overrated private investor cruise ship
  10/12/24
180
Sienna unholy meetinghouse
  10/12/24
...
cyan plaza becky
  10/12/24
twist: the sil was Catherine of aragorn
Massive alcoholic associate space
  10/12/24
If first brother was childless then this is classic Levirate...
contagious white goyim
  10/12/24
...
cyan plaza becky
  10/12/24
He's literally the closest replacement for the guy. I can't ...
contagious white goyim
  10/12/24
...
cyan plaza becky
  10/12/24
You're doing it for the purpose of having children, through ...
contagious white goyim
  10/13/24
are we talking about your wife's sister or your brother's wi...
Racy institution juggernaut
  10/12/24
How many times do we have to go over this.
galvanic chapel
  10/12/24
...
Flickering passionate sneaky criminal
  10/12/24
...
dashing beta range rigor
  11/30/25
...
Flickering passionate sneaky criminal
  12/23/25
...
carnelian nubile idea he suggested preventive strike
  12/23/25
...
Godawful bawdyhouse hominid
  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
Slippery buff sandwich
  10/12/24
voice of reason as always cbtp
bearded lilac stead black woman
  10/12/24
not as deranged as brother-in-law
Talented very tactful dysfunction native
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
impressive apoplectic french chef party of the first part
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: bearded lilac stead black woman

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: Copper frum water buffalo

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: flushed police squad temple

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: Copper frum water buffalo



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: aqua dingle berry location

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: Dull sanctuary pistol

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: ultramarine house-broken nursing home

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: aqua dingle berry location

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: carnelian nubile idea he suggested preventive strike



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: aqua dingle berry location

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: Filthy Bateful Stage

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: tan marvelous abode dragon

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: bearded lilac stead black woman

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: jade field



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: cocky demanding trailer park potus

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: ultramarine house-broken nursing home

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: tan marvelous abode dragon

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: dashing beta range rigor



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Rose stirring area

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: Anal parlour jew

(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: Yapping address

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: curious overrated private investor cruise ship

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: Rose stirring area



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: bearded lilac stead black woman

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: Yapping address

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: flushed police squad temple



(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: cream wrinkle

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: dashing beta range rigor



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: curious overrated private investor cruise ship

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: Sienna unholy meetinghouse

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: cyan plaza becky



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: Massive alcoholic associate space

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: contagious white goyim

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: cyan plaza becky



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: contagious white goyim

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: cyan plaza becky



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: contagious white goyim

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: Racy institution juggernaut

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: galvanic chapel

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: Flickering passionate sneaky criminal



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: dashing beta range rigor



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Flickering passionate sneaky criminal



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: carnelian nubile idea he suggested preventive strike



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Godawful bawdyhouse hominid



(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: Slippery buff sandwich

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: bearded lilac stead black woman

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: Talented very tactful dysfunction native

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: impressive apoplectic french chef party of the first part

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)