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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?
black lascivious digit ratio corn cake
  10/11/24
I dunno. What if she has a nice ass?
Balding Brilliant Lodge Kitty Cat
  10/11/24
more detail plz
Khaki Out-of-control Parlour
  10/11/24
...
Balding Brilliant Lodge Kitty Cat
  10/11/24
It probably depends on how much you hate your bio parent and...
Mewling frisky sound barrier ticket booth
  10/11/24
do u know what a sister in law is?
Sticky Death Wish Locale
  10/11/24
he's watched too much porn
supple ruddy state
  10/11/24
Objection, nonresponsive
Mewling frisky sound barrier ticket booth
  10/11/24
...
Massive Onyx Stock Car Jewess
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Mewling frisky sound barrier ticket booth
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
bisexual gay nowag background story
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Comical liquid oxygen
  10/11/24
mostly cr
black lascivious digit ratio corn cake
  10/11/24
...
Fragrant Effete Church Building Dingle Berry
  10/12/24
this is exactly why I never sleep with my wife
Light vengeful garrison
  12/23/25
depends on if your wife is dead or not
supple ruddy state
  10/11/24
i believe this is colloquially known as "the biden rule...
Comical liquid oxygen
  10/11/24
...
abusive excitant stage immigrant
  11/30/25
only if you don't take pictures to share with us
Cerebral area trump supporter
  10/11/24
(martin brodeur)
Ivory swashbuckling theater
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
glassy international law enforcement agency
  10/12/24
This. Plus they are always hugging and kissing you.
violent stimulating multi-billionaire school cafeteria
  10/12/24
...
Cerebral area trump supporter
  12/23/25
Wtf
black lascivious digit ratio corn cake
  10/12/24
This is my life. Constant blue balls.
glassy international law enforcement agency
  10/12/24
...
Khaki Out-of-control Parlour
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
razzmatazz coral goyim
  10/12/24
...
abusive excitant stage immigrant
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
violent stimulating multi-billionaire school cafeteria
  10/12/24
180
Startled step-uncle's house toilet seat
  10/12/24
...
Talking know-it-all dragon
  10/12/24
twist: the sil was Catherine of aragorn
thirsty lemon property cuck
  10/12/24
If first brother was childless then this is classic Levirate...
crystalline corner
  10/12/24
...
Talking know-it-all dragon
  10/12/24
He's literally the closest replacement for the guy. I can't ...
crystalline corner
  10/12/24
...
Talking know-it-all dragon
  10/12/24
You're doing it for the purpose of having children, through ...
crystalline corner
  10/13/24
are we talking about your wife's sister or your brother's wi...
self-centered house national security agency
  10/12/24
How many times do we have to go over this.
Hot heaven
  10/12/24
...
Greedy galvanic double fault
  10/12/24
...
abusive excitant stage immigrant
  11/30/25
...
Greedy galvanic double fault
  12/23/25
...
Massive Onyx Stock Car Jewess
  12/23/25
...
Hyperventilating native
  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
adventurous overrated reading party
  10/12/24
voice of reason as always cbtp
black lascivious digit ratio corn cake
  10/12/24
not as deranged as brother-in-law
iridescent passionate coffee pot skinny woman
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Honey-headed glittery pit
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: black lascivious digit ratio corn cake

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Balding Brilliant Lodge Kitty Cat

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Khaki Out-of-control Parlour

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: Balding Brilliant Lodge Kitty Cat



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Mewling frisky sound barrier ticket booth

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]#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Sticky Death Wish Locale

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: supple ruddy state

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Mewling frisky sound barrier ticket booth

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: Massive Onyx Stock Car Jewess



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Mewling frisky sound barrier ticket booth

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]#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: bisexual gay nowag background story

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]#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: Comical liquid oxygen

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]#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: black lascivious digit ratio corn cake

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: Fragrant Effete Church Building Dingle Berry



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Light vengeful garrison

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: supple ruddy state

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Comical liquid oxygen

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: abusive excitant stage immigrant



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Cerebral area trump supporter

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: Ivory swashbuckling theater

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: glassy international law enforcement agency

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]#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: violent stimulating multi-billionaire school cafeteria

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Cerebral area trump supporter



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: black lascivious digit ratio corn cake

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: glassy international law enforcement agency

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Khaki Out-of-control Parlour



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: razzmatazz coral goyim

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: abusive excitant stage immigrant



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: violent stimulating multi-billionaire school cafeteria

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]#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Startled step-uncle's house toilet seat

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Talking know-it-all dragon



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: thirsty lemon property cuck

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: crystalline corner

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]#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Talking know-it-all dragon



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: crystalline corner

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]#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Talking know-it-all dragon



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: crystalline corner

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]#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: self-centered house national security agency

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]#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: Hot heaven

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: Greedy galvanic double fault



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: abusive excitant stage immigrant



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: Greedy galvanic double fault



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: Massive Onyx Stock Car Jewess



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: Hyperventilating native



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: adventurous overrated reading party

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: black lascivious digit ratio corn cake

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: iridescent passionate coffee pot skinny woman

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: Honey-headed glittery pit

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]#49533184)