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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 impertinent tanning salon
  10/11/24
I dunno. What if she has a nice ass?
harsh abode
  10/11/24
more detail plz
embarrassed to the bone onyx theater
  10/11/24
...
harsh abode
  10/11/24
It probably depends on how much you hate your bio parent and...
turquoise swashbuckling yarmulke
  10/11/24
do u know what a sister in law is?
Soul-stirring bossy whorehouse
  10/11/24
he's watched too much porn
multi-colored deranged university
  10/11/24
Objection, nonresponsive
turquoise swashbuckling yarmulke
  10/11/24
...
vibrant ruddy doctorate
  12/23/25
I do but I prefer fantasizing about my non-existent step sis...
turquoise swashbuckling yarmulke
  10/11/24
Not sure if this analysis is on point. The less it's justifi...
demanding twinkling uncleanness school cafeteria
  10/11/24
sleeping with anyone within your orbit of friends & fami...
adventurous sapphire son of senegal
  10/11/24
mostly cr
black impertinent tanning salon
  10/11/24
...
cheese-eating ceo
  10/12/24
this is exactly why I never sleep with my wife
Spectacular rambunctious toilet seat
  12/23/25
depends on if your wife is dead or not
multi-colored deranged university
  10/11/24
i believe this is colloquially known as "the biden rule...
adventurous sapphire son of senegal
  10/11/24
...
opaque exciting private investor hunting ground
  11/30/25
only if you don't take pictures to share with us
Aromatic lavender mexican
  10/11/24
(martin brodeur)
dark unhinged candlestick maker travel guidebook
  10/11/24
Anyone who doesn't at least understand the temptation doesn'...
peach kink-friendly institution
  10/12/24
This. Plus they are always hugging and kissing you.
hyperventilating slap-happy cruise ship
  10/12/24
...
Aromatic lavender mexican
  12/23/25
Wtf
black impertinent tanning salon
  10/12/24
This is my life. Constant blue balls.
peach kink-friendly institution
  10/12/24
...
embarrassed to the bone onyx theater
  11/30/25
i'm married to the younger hotter sister, and the temptation...
...,,..;...,,..,..,...,,,;..,
  06/03/26
Is she a spicy Latina?
Olive business firm
  10/12/24
...
opaque exciting private investor hunting ground
  11/30/25
Youngest SiL is trim, has a 180 ass and is always kissing me...
hyperventilating slap-happy cruise ship
  10/12/24
180
abnormal contagious personal credit line
  10/12/24
...
Milky bonkers mad-dog skullcap shitlib
  10/12/24
twist: the sil was Catherine of aragorn
boyish learning disabled hell feces
  10/12/24
If first brother was childless then this is classic Levirate...
fragrant frozen coffee pot
  10/12/24
...
Milky bonkers mad-dog skullcap shitlib
  10/12/24
He's literally the closest replacement for the guy. I can't ...
fragrant frozen coffee pot
  10/12/24
...
Milky bonkers mad-dog skullcap shitlib
  10/12/24
You're doing it for the purpose of having children, through ...
fragrant frozen coffee pot
  10/13/24
are we talking about your wife's sister or your brother's wi...
misunderstood plaza partner
  10/12/24
How many times do we have to go over this.
Blue legal warrant sound barrier
  10/12/24
...
bright forum
  10/12/24
...
opaque exciting private investor hunting ground
  11/30/25
...
bright forum
  12/23/25
...
vibrant ruddy doctorate
  12/23/25
...
fishy flatulent police squad multi-billionaire
  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
drab arrogant dilemma pisswyrm
  10/12/24
voice of reason as always cbtp
black impertinent tanning salon
  10/12/24
not as deranged as brother-in-law
180 hideous roommate regret
  10/12/24
Wife’s sister or your bros wife = deranged wife&rsq...
rusted talented cuckold psychic
  12/23/25


Poast new message in this thread



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: black impertinent tanning salon

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

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



Reply Favorite

Date: October 11th, 2024 4:34 PM
Author: harsh abode

I dunno. What if she has a nice ass?

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



Reply Favorite

Date: October 11th, 2024 4:35 PM
Author: embarrassed to the bone onyx theater

more detail plz

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



Reply Favorite

Date: October 11th, 2024 4:37 PM
Author: harsh abode



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



Reply Favorite

Date: October 11th, 2024 4:40 PM
Author: turquoise swashbuckling yarmulke

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=2betting#48188001)



Reply Favorite

Date: October 11th, 2024 4:41 PM
Author: Soul-stirring bossy whorehouse

do u know what a sister in law is?

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: multi-colored deranged university

he's watched too much porn

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



Reply Favorite

Date: October 11th, 2024 7:51 PM
Author: turquoise swashbuckling yarmulke

Objection, nonresponsive

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



Reply Favorite

Date: December 23rd, 2025 2:44 AM
Author: vibrant ruddy doctorate



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



Reply Favorite

Date: October 11th, 2024 7:50 PM
Author: turquoise swashbuckling yarmulke

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=2betting#48188616)



Reply Favorite

Date: October 11th, 2024 8:22 PM
Author: demanding twinkling uncleanness school cafeteria

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=2betting#48188745)



Reply Favorite

Date: October 11th, 2024 4:42 PM
Author: adventurous sapphire son of senegal

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

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



Reply Favorite

Date: October 11th, 2024 4:50 PM
Author: black impertinent tanning salon

mostly cr

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



Reply Favorite

Date: October 12th, 2024 3:21 PM
Author: cheese-eating ceo



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



Reply Favorite

Date: December 23rd, 2025 2:58 AM
Author: Spectacular rambunctious toilet seat

this is exactly why I never sleep with my wife

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: multi-colored deranged university

depends on if your wife is dead or not

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



Reply Favorite

Date: October 11th, 2024 4:44 PM
Author: adventurous sapphire son of senegal

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

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: opaque exciting private investor hunting ground



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



Reply Favorite

Date: October 11th, 2024 4:48 PM
Author: Aromatic lavender mexican

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

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



Reply Favorite

Date: October 11th, 2024 8:14 PM
Author: dark unhinged candlestick maker travel guidebook

(martin brodeur)

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



Reply Favorite

Date: October 12th, 2024 10:56 AM
Author: peach kink-friendly institution

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=2betting#48189844)



Reply Favorite

Date: October 12th, 2024 11:38 AM
Author: hyperventilating slap-happy cruise ship

This. Plus they are always hugging and kissing you.

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



Reply Favorite

Date: December 23rd, 2025 6:52 AM
Author: Aromatic lavender mexican



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



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: black impertinent tanning salon

Wtf

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



Reply Favorite

Date: October 12th, 2024 5:01 PM
Author: peach kink-friendly institution

This is my life. Constant blue balls.

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



Reply Favorite

Date: November 30th, 2025 4:44 PM
Author: embarrassed to the bone onyx theater



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



Reply Favorite

Date: October 12th, 2024 11:41 AM
Author: Olive business firm

Is she a spicy Latina?

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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: opaque exciting private investor hunting ground



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



Reply Favorite

Date: October 12th, 2024 11:44 AM
Author: hyperventilating slap-happy 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=2betting#48189964)



Reply Favorite

Date: October 12th, 2024 3:45 PM
Author: abnormal contagious personal credit line

180

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



Reply Favorite

Date: October 12th, 2024 11:48 AM
Author: Milky bonkers mad-dog skullcap shitlib



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



Reply Favorite

Date: October 12th, 2024 3:17 PM
Author: boyish learning disabled hell feces

twist: the sil was Catherine of aragorn

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



Reply Favorite

Date: October 12th, 2024 3:20 PM
Author: fragrant frozen coffee pot

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=2betting#48190659)



Reply Favorite

Date: October 12th, 2024 3:25 PM
Author: Milky bonkers mad-dog skullcap shitlib



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



Reply Favorite

Date: October 12th, 2024 3:34 PM
Author: fragrant frozen coffee pot

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=2betting#48190707)



Reply Favorite

Date: October 12th, 2024 3:38 PM
Author: Milky bonkers mad-dog skullcap shitlib



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



Reply Favorite

Date: October 13th, 2024 12:04 AM
Author: fragrant frozen coffee pot

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=2betting#48191875)



Reply Favorite

Date: October 12th, 2024 11:50 AM
Author: misunderstood plaza partner

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

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



Reply Favorite

Date: October 12th, 2024 11:52 AM
Author: Blue legal warrant sound barrier

How many times do we have to go over this.

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



Reply Favorite

Date: October 12th, 2024 4:01 PM
Author: bright forum



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



Reply Favorite

Date: November 30th, 2025 4:48 PM
Author: opaque exciting private investor hunting ground



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



Reply Favorite

Date: December 23rd, 2025 2:34 AM
Author: bright forum



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



Reply Favorite

Date: December 23rd, 2025 2:46 AM
Author: vibrant ruddy doctorate



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



Reply Favorite

Date: December 23rd, 2025 6:43 AM
Author: fishy flatulent police squad multi-billionaire



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



Reply Favorite

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



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



Reply Favorite

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



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



Reply Favorite

Date: October 12th, 2024 11:51 AM
Author: drab arrogant dilemma pisswyrm

yes

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



Reply Favorite

Date: October 12th, 2024 4:02 PM
Author: black impertinent tanning salon

voice of reason as always cbtp

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



Reply Favorite

Date: October 12th, 2024 11:57 AM
Author: 180 hideous roommate regret

not as deranged as brother-in-law

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



Reply Favorite

Date: December 23rd, 2025 7:03 AM
Author: rusted talented cuckold psychic

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=2betting#49533184)