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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?
dun roast beef
  10/11/24
I dunno. What if she has a nice ass?
chartreuse effete ticket booth
  10/11/24
more detail plz
Sadistic Idiot
  10/11/24
...
chartreuse effete ticket booth
  10/11/24
It probably depends on how much you hate your bio parent and...
Crimson french locale
  10/11/24
do u know what a sister in law is?
demanding stirring useless brakes
  10/11/24
he's watched too much porn
Flirting Philosopher-king Office
  10/11/24
Objection, nonresponsive
Crimson french locale
  10/11/24
...
wonderful party of the first part
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
Crimson french locale
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
Startling Hall
  10/11/24
sleeping with anyone within your orbit of friends & fami...
Aggressive Beta Lodge Immigrant
  10/11/24
mostly cr
dun roast beef
  10/11/24
...
vermilion stag film
  10/12/24
this is exactly why I never sleep with my wife
sexy stock car
  12/23/25
depends on if your wife is dead or not
Flirting Philosopher-king Office
  10/11/24
i believe this is colloquially known as "the biden rule...
Aggressive Beta Lodge Immigrant
  10/11/24
...
talented really tough guy milk
  11/30/25
only if you don't take pictures to share with us
snowy fortuitous meteor wagecucks
  10/11/24
(martin brodeur)
Nudist halford
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
nighttime curious private investor
  10/12/24
This. Plus they are always hugging and kissing you.
Thriller tanning salon community account
  10/12/24
...
snowy fortuitous meteor wagecucks
  12/23/25
Wtf
dun roast beef
  10/12/24
This is my life. Constant blue balls.
nighttime curious private investor
  10/12/24
...
Sadistic Idiot
  11/30/25
Is she a spicy Latina?
bat shit crazy titillating stage
  10/12/24
...
talented really tough guy milk
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
Thriller tanning salon community account
  10/12/24
180
misunderstood jet cruise ship filthpig
  10/12/24
In middle school my wrestling coach married our hot as fuck...
Purple Orchestra Pit
  10/12/24
twist: the sil was Catherine of aragorn
ultramarine theater stage
  10/12/24
If first brother was childless then this is classic Levirate...
Seedy nubile round eye persian
  10/12/24
The first marriage was less than a year before he died Se...
Purple Orchestra Pit
  10/12/24
He's literally the closest replacement for the guy. I can't ...
Seedy nubile round eye persian
  10/12/24
I'm not fucking my dead brothers wife. Couldn't force me at ...
Purple Orchestra Pit
  10/12/24
You're doing it for the purpose of having children, through ...
Seedy nubile round eye persian
  10/13/24
are we talking about your wife's sister or your brother's wi...
Milky sex offender
  10/12/24
How many times do we have to go over this.
Bespoke trailer park
  10/12/24
...
vengeful razzmatazz hairy legs gaming laptop
  10/12/24
...
talented really tough guy milk
  11/30/25
...
vengeful razzmatazz hairy legs gaming laptop
  12/23/25
...
wonderful party of the first part
  12/23/25
...
onyx jew garrison
  12/23/25
yes
aphrodisiac site skinny woman
  10/12/24
voice of reason as always cbtp
dun roast beef
  10/12/24
not as deranged as brother-in-law
arousing disgusting house
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
fragrant dingle berry
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: dun roast beef

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

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48187983)



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: chartreuse effete ticket booth

I dunno. What if she has a nice ass?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48187985)



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: Sadistic Idiot

more detail plz

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48187988)



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: chartreuse effete ticket booth



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48187993)



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: Crimson french locale

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\u0026show=my#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: demanding stirring useless brakes

do u know what a sister in law is?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48188004)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Flirting Philosopher-king Office

he's watched too much porn

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48188017)



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: Crimson french locale

Objection, nonresponsive

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48188617)



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: wonderful party of the first part



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49533041)



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: Crimson french locale

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\u0026show=my#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: Startling Hall

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\u0026show=my#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: Aggressive Beta Lodge Immigrant

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\u0026show=my#48188009)



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: dun roast beef

mostly cr

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48188040)



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: vermilion stag film



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190661)



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: sexy stock car

this is exactly why I never sleep with my wife

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49533050)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Flirting Philosopher-king Office

depends on if your wife is dead or not

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48188014)



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: Aggressive Beta Lodge Immigrant

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

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48188018)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: talented really tough guy milk



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49472648)



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: snowy fortuitous meteor wagecucks

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

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48188026)



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: Nudist halford

(martin brodeur)

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48188717)



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: nighttime curious private investor

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\u0026show=my#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: Thriller tanning salon community account

This. Plus they are always hugging and kissing you.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48189951)



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: snowy fortuitous meteor wagecucks



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49533178)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: dun roast beef

Wtf

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190745)



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: nighttime curious private investor

This is my life. Constant blue balls.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190953)



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: Sadistic Idiot



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49472629)



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: bat shit crazy titillating stage

Is she a spicy Latina?

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48189956)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: talented really tough guy milk



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49472649)



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: Thriller tanning salon community account

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\u0026show=my#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: misunderstood jet cruise ship filthpig

180

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190744)



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Purple Orchestra Pit

In middle school my wrestling coach married our hot as fuck social studies teacher. Their family was old money and he owned a land development company. He was a tall af and a Chad. One night he got drunk and died by crashing off of a bridge. Literally the next week we saw her w his brother who was also a Chad but short and chubby. They married later that year. Was one of the most surreal things I've ever seen

No clue how u could fuck ur dead brothers wife or ur dead husband's brother. Especially so fast.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48189979)



Reply Favorite

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

twist: the sil was Catherine of aragorn

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190647)



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: Seedy nubile round eye persian

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\u0026show=my#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Purple Orchestra Pit

The first marriage was less than a year before he died

Seems insane

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190672)



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: Seedy nubile round eye persian

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\u0026show=my#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Purple Orchestra Pit

I'm not fucking my dead brothers wife. Couldn't force me at gunpoint

Seems evil af

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190723)



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: Seedy nubile round eye persian

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\u0026show=my#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: Milky sex offender

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\u0026show=my#48189984)



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: Bespoke trailer park

How many times do we have to go over this.

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48189992)



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: vengeful razzmatazz hairy legs gaming laptop



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190799)



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: talented really tough guy milk



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49472653)



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: vengeful razzmatazz hairy legs gaming laptop



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49533037)



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: wonderful party of the first part



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49533043)



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: onyx jew garrison



(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#49533170)



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: aphrodisiac site skinny woman

yes

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48189990)



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: dun roast beef

voice of reason as always cbtp

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190802)



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: arousing disgusting house

not as deranged as brother-in-law

(http://www.autoadmit.com/thread.php?thread_id=5610171&forum_id=2\u0026show=my#48190004)



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: fragrant dingle berry

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\u0026show=my#49533184)