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AITA for sleeping with my best friend’s estranged younger brother?

Summary:

James finds it increasingly difficult to keep secrets so he turns to the internet for advice.

It wasn’t helpful.

There’s always Noah Kahan instead.

Notes:

messrsrobyn’s tiktok about the woes AO3 HTML made me realise that we needed more HTML fics in the Marauders fandom that I got up and completed my first Marauders fic.

this one is for you messrsrobyn and your tiktoks.

this fic is not meant to be read offline and please turn on creator's style for full effect!

(See the end of the work for more notes.)

Work Text:

r/AITA

throwaway_bff_brother · 6h ago

AITA for sleeping with my best friend’s estranged younger brother?

Throwaway account because just in case my friends find this.

I (25M) have known my best friend (25M) (i’ll call him BFF) since we were in primary school. His family life is not the best and he moved in with me when we were in secondary. We are very close and are basically brothers in everything but blood.

So about 3 months ago, my new job had a work party and some of my colleagues (who also used to go to our school) invited BFF’s brother (23M) along. BFF has not spoken to his brother since he ran away to my house.

I hit it off with BFF’s brother and one thing led to another and now I think we’re dating?? We haven’t really talked about it but we kiss a lot and I don’t want to ruin it by asking him what we are. The only thing he asked me to do was to not tell his brother or our friends that we’re seeing each other.

I want to respect his wishes but the guilt is eating me alive and I feel like the worst person. I want to tell BFF about this but what do I even say - hi the brother that is dead to you is actually in the country and we sometimes sleep together??? All my colleagues know because they're all busybodies who cannot keep their noses out of anything.

I don't even think that BFF knows his brother got out of the family at all. They left on really bad terms and they really don’t want to see each other again. I don’t know how long more I can keep this secret and it will ruin everything if I spill.

I can’t even talk to any of my friends about this. Oh god this is going to blow up in my face.

I feel so guilty but I don’t know if I’m the asshole here? I’m definitely going to hurt someone - I just want to make both of them happy and I don’t know how. I don’t want to lose either of them.

 

394 Comments sorted by Best

MilkMoss 5h...
this is the messiest this subreddit has been in a while

mssrrobyynnnn 4h...
NTA! But you all need therapy. You seem like you really care for your best friend and (maybe) boyfriend but it doesnt sound like you can keep them apart for long. Something is going to have to give.

jihnari 4h...
if its that important to them, you should pick a side instead of playing them both. YTA

wetest_socks 3h
NTA - ur boyfriend is the asshole for making u keep a secret like this
throwaway_bff_brother 1h
Please dont call him an asshole, hes trying his best and there's just a lot of hurt involved especially with their history. EDIT: i also dont know if he is my boyfriend
mystyrust 38m
was it casual when he defended me against a random reddit user?😩
5 more replies

cheese_mackerel 1h
YTA OP youre a real brotherfucker. you broke the no 1 rule of brocode
wetest_socks 40m
BROTHERFUCKER
throwaway_bff_brother 38m
please dont
32 more replies

VIEW ALL 394 COMMENTS

 

 

 


Sirius
@siriuslyserious

HOW AM I SUPPOSED TO LIVE WITHOUT THE OTHER HALF OF MY SOUL? @jamesjamesjames

1 Retweets and comments 2 Likes

remus @rjlupin · 6m
Replying to @siriuslyserious
it is one week

 


From the phone of James Potter (UTC +01)

  R🌟 Online

Today

Good morning!! 9:40

How are you? 😊 9:40

Morning. 9:40

I’m okay. A little tired. What about you? 9:41

just dropped sirius and remus off at the airport 9:41

wanna go out? 9:42

Sure. We can do breakfast if you’re hungry? 9:42

Cool!! 9:42

I’m outside 💫 9:42

Were you outside this whole time? 9:44

maybe 9:44

What would you have done if I said no? 9:45

I guess we’ll never know 9:45

Dork 9:46

your dork 9:46

🙄 9:47

Be down in 10 9:47

💖 9:48

💖 9:48

 Type a message

 


Evan
@evansier

who is possessing my best friend and why is he leaving the house at 10am

1 Retweets and comments 2 Likes

Barty @barty.b.benson · 2m
Replying to
@evansier
hello?? im beside u rn?? we r in bed??

Evan @evansier · 1m
wasnt talking about u???

 


From the phone of James Potter (UTC +01)

  Barty Crouch Jr. Online

Today

dis u? 12:32

TikTok ● Reddit Tales
3k likes 300 comments “AITA for…
vt.tiktok.com
https://vt.tiktok.com/ZS2k1gXxN/ 12:32

i dont have tiktok 12:35

mb 12:36

hang on 12:37

Received Message: A thumbnail of a Minecraft Reddit AITA Tiktok video. 12:38

haha noooo thats not me 12:40

why do you think that?? 12:40

HAH 12:41

 Type a message

 


pandora
@pandaeye

mercury is in retrograde and it is becoming a problem

10 Retweets and comments 15 Likes

 


From the phone of Sirius Black (GMT +08)

  rawr xd Jamesss, Lils, Marls…

Today

don't have good enough data to send a pic but there is a train and a jungle in this airport.. so many trees??18:06

Petey
How’s the Singapore?? 18:07

Its great so fair 18:08

Just been raining a lot 18:08

Apparently its monsoon season 18:09

Marls
Hey I want a forest in my airport 18:11

Lils
And trains 18:14

Marys
cant believe we could have had trains in our forest airports the whole time 18:15

Remus 💞
@Jamesss can you help us get the mail? just got a text about it 18:16

Jamesss
alright👍 18:18

 Type a message

 


lily
@lilypad

sometimes i wonder if im bi and then i look at the aita subreddit and see men's emotional range and chronic miscommunication and remember to kiss a girl instead

1 Retweets and comments 2 Likes

mary @oldyoungmacdonald · 9m
Replying to
@lilpad
im running to you now

Lily! @lilypad · 5m
im waiting!

 


From the phone of Remus Lupin (GMT +08)

  James Potter Online

Today

Hi James. All good? 10:07

Hi Rem! All’s good. 10:10

Got your package too 10:10

What’s up? 10:11

Just thought I’d check in. You sounded a little weird on the group chat earlier 10:12

Haha nooo all is good 10:14

Just a little busy that’s all 10:14

So anything on your mind? 10:15

Hm not really. How’s your holiday? 10:18

Holiday is fine. 10:18

You’re online and it’s 3am where you’re at right now 10:19

Oh 10:25

Wow would you look at the time, im off to bedl 10:25

Long day tmr 10:26

Good night! 10:27

Hm. 10:27

Night James 10:27

 Type a message

 


petah
@thehorseishere

help what do you do when your friend has been playing the same noah kahan song on spotify for the last 24 hours

10 Retweets and comments 20 Likes

Sirius @siriuslyserious · 10m
Replying to
@thehorseishere
james???

Remus @rjlupin · 3m
hm

 


From the phone of Sirius Black (GMT +08)

  Barty Crouch Jr. Online

🔒Messages and calls are end-to-end encrypted. No one outside of this chat, not even Whatsapp, can read or listen to them. Tap to learn more.

Today

Crouch, this is Sirius 17:34

how did you get my number?? 17:35

not important rn 17:36

Its about James 17:37

you’re both in the same department right? Did something happen at work? 17:37

James has been really upset and not talking about it. We’re getting worried. 17:38

oh for fucks sake 17:39

this is my karma 17:39

this is what i get for being friends with potters and blacks 17:40

its too early for this 17:40

????????? 17:41

brb going 2 fix ur messes 17:42

Barty??? 17:43

????? 18:01

 Type a message

 


barty
@barty.b.benson

i am not ur court mandated therapist

1 Retweets and comments 9 Likes

dorcas @m.dorcas · 4m
Replying to @barty.b.benson
thank fuck for that

 


From the phone of Regulus Black (UTC +01)

  Skittles Evan is typing

Barty
So help me god. Regulus you need to talk to James about Sirius. 10:50

Evan
Oh shit theres punctuation and capitalization 10:50

What do you mean? 10:51

Barty
Your boy is upset and it is becoming a problem. 10:52

I’m with James. He seems fine? Did something happen? 10:53

Barty
CONTEXT REGULUS 10:53

Anyone with eyes can see that Potter doesn’t want to upset you. Of course, he’s going to be fine with you. 10:54

Pandora
That’s true he was really quiet at work last week 10:56

Dorcas
Oh thank god I didnt know if we were ever going to talk about it 10:58

Pandora
I do feel kinda bad for him10:58

Dorcas
Regulus you asked him to keep a secret from his friends - that one of their brothers is alive and well and that they’re dating? 10:59

At least you can talk to us (even though you never do). But none of James’ friend’s know anything 11:00

Evan
yeah kind of a dick move 11:01

Pandora
i wouldnt call it a dick move. Its just been a long time and not telling Sirius soon will only make things worse 11:03

Oh 11:07

I don’t know if we’re dating 11:07

But Barty how do you know how James feels? You don’t even talk to him. 11:08

DorcasYou
I don’t know if I would say that we’re dating
you go on dates, ergo - dating 11:10

you have the EQ of a worm 11:11

Barty
Considering your brother just messaged me asking about your boytoy? I would say that he’s pretty upset Reg 11:12

What’s his number? 11:13

Barty
What 11:14

Sirius. What’s his number? 11:14

Barty
And you want his number why? 11:15

You’re right. It’s a dick move 11:16

I should talk to him 11:17

Evan
I’m screenshotting this. Regulus thinks I’m right. 11:17

Shut it Evan 11:18

🤐

Barty
This is surprisingly very mature of you 11:19

this is a lot easier that i thought 11:20

+44-xxxx-xxxx 11:20

gud luck 11:21

Thanks B 11:21

Evan
and the typos are back. 11:22

knew it would be too good to last 11:22

 Type a message

 


marls
@marlsbles

praying for the reddit brotherfucker man, the epitome of gays being messy

3 Retweets and comments 4 Likes

dorcas @m.dorcas · 6m
Replying to @marlsbles
oh we're praying alright

 


From the phone of Regulus Black (UTC +01)

  +44-xxxx-xxxx +44-xxxx-xxxx is typing

🔒Messages and calls are end-to-end encrypted. No one outside of this chat, not even Whatsapp, can read or listen to them. Tap to learn more.

Today

We need to talk 11:30

who is this? 11:35

Regulus 11:36

Its about James 11:36

 Type a message

 


Remus
@rjlupin

when you're on vacation but your bf is speedrunning all the stages of grief so you drink wine during a thunder storm instead

1 Retweets and comments 1 Likes

 


From the phone of Sirius Black (GMT +08)

  a truce Several people are typing

🔒Messages and calls are end-to-end encrypted. No one outside of this chat, not even Whatsapp, can read or listen to them. Tap to learn more.

Today

You created group “a truce”. Tap to add members.

Mary
hi?? 21:10

Reggie B.
no 21:10

Reggie B. left

no 21:11

You added Reggie B.

no one is allowed to leave 21:12

Or keep secrets 21:12

Or cry to noah kahan on repeat 21:13

Remus💞You
Or cry to noah kahan on repeat
impossible but ok 21:14

Jamesss
what is happening??? 21:14

Evan
please we all know this group is because you found out james and regulus are basically boyfriends 21:15

but does that mean that we all have to be friends??? 21:15

Marls
THEYRE WHAT 21:15

wait 21:15

does that mean that james was that guy in that reddit post??? 21:16

what reddit post?? 21:17

Reggie B.
What Reddit post? 21:17

Jamesss
fuck 21:18

Barty Crouch Jr.
**brotherfucker 21:18

Lily
Brotherfucker? 21:18

Pandora
Brotherfucker! 21:18

Jamesss left

 Type a message

Notes:

this fic is the definition of write drunk edit sober. technically i still have a fever so lets call this a fever dream, yeah? i had fun formatting this!

Big ups to both jihn and mysty for helping a peasant (humanities graduate) reach the lands of kings (HTML Tryhard fics) by bestowing power upon me (yelling at you on discord).

Please go check out their fics! It’s all really cool stuff.

Now i have the power… i really want to write more html fics…

ok bye i need to sleep off this sickness. will be back to fix any bugs. byeeeee

Resources:

WhatsApp Skin by etc e tal

Reddit & Twitter Skins by Jihnari

Image editing with Canva

sometimes im on Tumblr!!

UPDATE (05/09/2024): fixed some bugs and updated some messages
UPDATE (9/3/2025): HI! its been about 6 months since i posted this fic and its been an insane time,,, this fic is my first step into html tyrhand land so many things has happened since then! ive learnt so much about coding and also made a bunch of friends who also code and create on ao3 :3 to think i didnt even know what vscode was 7 months ago,,, now i know that A. this fic is ugly and can be improved on B. i might recode this whole fic,,, but lowkey thinking of leaving it up as is as a monument to where i started and how much ive grown
i also have a couple more html tryhard fics now if you're interested in something like this!!

  • find my friends is an interactive choose your own adventure fic from remus' perspective with a custom skin that looks like the marauders map! it also has custom ordering so you can go in whatever order you want first
  • Man Attempts to Survive University is an Everything Everywhere All At Once Marauders AU with Sirius as Evelyn and Remus as Waymond and a bunch of whacky HTML along the way
  • i also have series of AO3 workskin tutorials where I share custom code i've made
  • i've also added this AITA fic to a series where i'll post more marauders html texting crack fics, theyll most likely all be one shots and unrelated but itll be easier for me to keep track of what i have up (update part 2 - the series now has more fics lol)
  • anyways i hope to see you around and i hope you enjoyed this fic and style of writing :D

Series this work belongs to: