Do I have a right to be upset?
I have lived with my roommate (both 31F) for about 8 years (4 different apartments). Things have always gone relatively well. In October 2025 we started our most recent lease in a new apartment. In December, she met her now boyfriend. From about January - April she was staying regularly at his house, sometimes for weeks at a time.
I can admit, I had it lucky because I was essentially living alone for those few months, while she was still paying her share of the rent. In the last month, her boyfriend moved out of his apartment , back in with his parents. Which has resulted in him being at our apartment full time (they are both currently unemployed). This means literally every waking moment I have at home, they are both there, including his dog. There are nights when he is up playing video games until 4 in the morning when I have to wake up early the next day.
Do I have a right to be upset? My roommates take is that since I was living alone those few months that this is fair. But in my opinion , it was her choice to not come home all those months, and I did not sign up to live with an additional person and pet who is not on the lease .