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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?
Wine cerebral milk
  10/11/24
I dunno. What if she has a nice ass?
claret police squad church building
  10/11/24
more detail plz
Ebony private investor
  10/11/24
...
claret police squad church building
  10/11/24
It probably depends on how much you hate your bio parent and...
Aphrodisiac nofapping hospital place of business
  10/11/24
do u know what a sister in law is?
chrome puppy mental disorder
  10/11/24
he's watched too much porn
Heady Geriatric Site
  10/11/24
Objection, nonresponsive
Aphrodisiac nofapping hospital place of business
  10/11/24
...
poppy confused library internal respiration
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Aphrodisiac nofapping hospital place of business
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Crystalline soul-stirring fat ankles really tough guy
  10/11/24
sleeping with anyone within your orbit of friends & fami...
big french chef gay wizard
  10/11/24
mostly cr
Wine cerebral milk
  10/11/24
...
outnumbered galvanic sneaky criminal
  10/12/24
this is exactly why I never sleep with my wife
Up-to-no-good cracking sandwich national security agency
  12/23/25
depends on if your wife is dead or not
Heady Geriatric Site
  10/11/24
i believe this is colloquially known as "the biden rule...
big french chef gay wizard
  10/11/24
...
awkward massive institution
  11/30/25
only if you don't take pictures to share with us
mint duck-like school new version
  10/11/24
(martin brodeur)
mewling theater
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
Chest-beating party of the first part locale
  10/12/24
This. Plus they are always hugging and kissing you.
Abnormal associate
  10/12/24
...
mint duck-like school new version
  12/23/25
Wtf
Wine cerebral milk
  10/12/24
This is my life. Constant blue balls.
Chest-beating party of the first part locale
  10/12/24
...
Ebony private investor
  11/30/25
Is she a spicy Latina?
Thirsty Azn
  10/12/24
...
awkward massive institution
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Abnormal associate
  10/12/24
180
nubile chartreuse parlor knife
  10/12/24
...
scarlet bespoke stage persian
  10/12/24
twist: the sil was Catherine of aragorn
glittery trump supporter fortuitous meteor
  10/12/24
If first brother was childless then this is classic Levirate...
Coiffed university double fault
  10/12/24
...
scarlet bespoke stage persian
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Coiffed university double fault
  10/12/24
...
scarlet bespoke stage persian
  10/12/24
You're doing it for the purpose of having children, through ...
Coiffed university double fault
  10/13/24
are we talking about your wife's sister or your brother's wi...
embarrassed to the bone jap water buffalo
  10/12/24
How many times do we have to go over this.
harsh fiercely-loyal stag film
  10/12/24
...
henna laughsome bawdyhouse
  10/12/24
...
awkward massive institution
  11/30/25
...
henna laughsome bawdyhouse
  12/23/25
...
poppy confused library internal respiration
  12/23/25
...
hairless white preventive strike stead
  12/23/25
yes
titillating jade tanning salon friendly grandma
  10/12/24
voice of reason as always cbtp
Wine cerebral milk
  10/12/24
not as deranged as brother-in-law
obsidian overrated selfie sanctuary
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
Charismatic athletic conference
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: Wine cerebral milk

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: claret police squad church building

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Ebony private investor

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: claret police squad church building



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Aphrodisiac nofapping hospital place of business

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/en-en/#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: chrome puppy mental disorder

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Heady Geriatric Site

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Aphrodisiac nofapping hospital place of business

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: poppy confused library internal respiration



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Aphrodisiac nofapping hospital place of business

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/en-en/#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: Crystalline soul-stirring fat ankles really tough guy

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/en-en/#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: big french chef gay wizard

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/en-en/#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: Wine cerebral milk

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: outnumbered galvanic sneaky criminal



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Up-to-no-good cracking sandwich national security agency

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Heady Geriatric Site

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: big french chef gay wizard

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: awkward massive institution



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: mint duck-like school new version

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

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



Reply Favorite

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

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: Chest-beating party of the first part locale

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/en-en/#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Abnormal associate

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: mint duck-like school new version



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: Wine cerebral milk

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: Chest-beating party of the first part locale

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Ebony private investor



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2/en-en/#49472629)



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Thirsty Azn

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: awkward massive institution



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Abnormal associate

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/en-en/#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: nubile chartreuse parlor knife

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: scarlet bespoke stage persian



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: glittery trump supporter fortuitous meteor

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Coiffed university double fault

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/en-en/#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: scarlet bespoke stage persian



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Coiffed university double fault

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/en-en/#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: scarlet bespoke stage persian



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Coiffed university double fault

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/en-en/#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: embarrassed to the bone jap water buffalo

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/en-en/#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: harsh fiercely-loyal stag film

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: henna laughsome bawdyhouse



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: awkward massive institution



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: henna laughsome bawdyhouse



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: poppy confused library internal respiration



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: hairless white preventive strike stead



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: titillating jade tanning salon friendly grandma

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: Wine cerebral milk

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: obsidian overrated selfie sanctuary

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: Charismatic athletic conference

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/en-en/#49533184)