Definition: Given a real-life anecdote of a complex ethical situation, generate a suitable title that describes the main event/root cause of the situation. Imagine that the given text is a social media post, and you have to write the title of the post, so the users can decide to read the main text or not.
Input: This is a long one folks! 

I'm in my mid-late twenties, and I live with my mom for a lot of reasons. My sister is in her 30s and is married with a 2 year old kid. My mom and I live pretty close to my sister's family. I'm not sure when exactly it started, but somehow this arrangement developed where my mom and I watch her son basically every weekend. I know this definitely started before his first birthday, and it's continued to today(a few months after his second birthday). If there's 52 weeks in a year, I'm certain I've watched my nephew for over 40 weekends. I'm allowed to make outside plans and they can't/won't really say anything to protest it. It used to mean he wouldn't come, but then it gradually became my mom watching him by herself. Something to note is that unless my mom is running late, all the communication and arrangements for this is between my sister and our mom. I think maybe twice my sister contacted me letting me know the situation.

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Anyway I recently started a full time job(M-F 40+ hours a week). After my first week, my nephew came over, and then when my sister picked him up on Sunday evening it was around 8pm. I felt burnt out and exhausted, and I kind of had the realization that the reason why I initially didn't mind the arrangement so much was because most of that time was when I was either unemployed, or employed part time. Now I'm in a new field and I'm trying my best to learn more by reading books and taking a udemy class(for the time being) as well. That being said, really what I needed was time to myself, time to decompress and not be stressed out. I kind of realized the part of the deal where I can make weekend plans wasn't that great because, that doesn't account for when I just want to chill out and play video games on the weekend, or even work on my udemy class for that matter(if I stayed at a cafe or something for too long my mom will call telling me to come over asap). The next week he didn't come for a reason that I forgot. And the week after that was last week. When his parents came to pick him up on Sunday I had a somewhat awkward conversation with my sister. I love the boy so it was really hard for me to say that I can't watch him any more(at least this regularly) but it was a hard thing for me to accept. The conversation went like this:

Me: Hey....I don't think I can do this any more.

Sister: Do what?

Me: It just feels like I'm working 7 days a week and saturday and sunday are the most stressful days.

Sister: Watching \[nephew\]?

Me: Yes

Sister: Ok..(looking away)

It should be noted that her husband was in earshot of this conversation. That was it. They went home, and fast forward to yesterday(Friday). I'm having dinner with my mom and she mentions the nephew. I tell her that I told my sister that I don't want to see him regularly anymore. She starts protesting and arguing with me. Saying things like I don't have to leave my room when he's here(which is BS, he will call for me and look for me, and I can't exactly ignore him when that happens, once he's here, he's here and there's no way to compromise that space). She also says she lives in this house too and she wants to see him so she should get what she wants(although at 40+ weekends a year, I think I should get at least 12 where I get the say, but you can also argue that him being here on the weekend shouldn't even be the default option but I digress, my point is that I should be allowed to refuse every now and again).

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Which brings me to today, I slept late last night and was woken up to the sound of tiny foot steps running down the hall. My sister is here with her son. I'm..confused, in part because I was woken up abruptly and in part because I'm kind of afraid of pushing the matter and assuming the worst. My sister mentions that their house is getting painted and that they were going to the park soon, and I decide to assume that she was just making a quick stop in the cold weather because they didn't want him around while painting. I ended up taking a nap(because I woke up "early") and I wake up to my mom alone with my nephew, sister nowhere in sight. I stop being in denial and text my sister saying that I wasn't expecting him to come over, and that I didn't appreciate that she blatantly ignored what I said about not being able to watch him any more. She just said "sorry" and "ok". After a bit I just scream in frustration and my nephew sees me and leaves the room(something I'm very ashamed of). I decided enough was enough, I texted both of his parents one thing: "What time are you picking up \[nephew\] tonight?" Very aggressively not giving them the option to let him sleep over. My sister starts texting me saying she's sorry her son is a burden for me but it feels hurtful the way I communicated it and thanked me for watching him. I told her we need to have a proper conversation to establish boundaries. She mentions I also need to talk to our mom because our mom said he could sleep over. I explain that the short version of the story is that things are different with my new job. My sister suggested she come over on the weekends with him but I explained that that's not going to solve the problem. My sister explains that she just told our mom this morning that he was coming over because they didn't realize how big of a paint job this would be.

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So I piece together the facts so far:

1. I did mention to my sister that I can't watch my nephew any more, and granted it wasn't elaborated on, but I definitely said enough to indicate that I'm exhausted.
2. I told my mom just last night over dinner that I'm exhausted and I don't want to see my nephew specifically this weekend. She argued with me about it but I did make it clear.
3. My sister called my mom this morning to let her know she was dropping off the nephew at our house.
4. My mom told my sister it was ok if he spent the night at our home.

In other words: I told both of them that I'm burnt out and tired and don't want to watch my nephew, and they contacted each other and agreed that he would spend the night. Somewhere(or everywhere), there lies a complete disrespect for me when I brought this up before it would be a problem, and now that I'm making a big fuss they're finally listening very begrudgingly. I told my sister that contacting our mom does NOT count as contacting me. Her yes does not always mean mine and she needs mine too. Anyway they come to pick him up like an hour and a half later, my mom is very upset by this and my brother in law is just awkwardly avoiding talking to me. My sister said they won't be coming next week(they'll be in Miami) and that's kind of where it ended. I'm mentally exhausted, and none of this feels remotely close to resolved, but I really think I need a break from this arrangement and I want my nephew to not see me in this exhausted, low patience, irritable state. My mom accuses me of being mean to the nephew when I'm not holding him accountable for anything and besides the screaming(which to clarify: was not at him, he just saw/heard me scream) I haven't been treating him poorly today.

So, am I the asshole here?

making my sister pick up my nephew early