Cousin's Jealousy Ruins Family Dynamics

For six years, I, 28 male, lived with my favorite cousin Carly,

25 female. I covered almost everything: rent, utilities, groceries,

while she paid $400 a month in a city where minimum rent is $2,200. I'm in a financially

better situation so this was never really an issue. Then one night, after I came home

around 3am from a date, I came home to find Carly threw food all over my bed

because I "made her waste her time" by not knowing she cooked for us. That was the moment

I realized something was very wrong. Firstly I could save more by living on my own but secondly

Carly was either insane or acting like a jealous girlfriend instead of a cousin. When our lease ended,