For context I've lived here in this town since I moved here for my studies 5 years ago. I live together with my fiance. My sister has lived in a few different places throughout her studies, but she moved here a year ago specifically to live close to me and wanting a fresh start of sorts.
When she moved here at first it was great, we are best friends essentially. There was some stress early on since she had managed to rent an honestly pretty shitty room with unknown roommates, and a lot of stuff didn't work in her room within that apartment. It was stuff she technically could've taken care of, but when she asked to sleep on our couch for a month or two while looking for another apartment I c

