AITA Confessions

AITA for clearing out all the food in the house and not replenishing it because my sister has an eating disorder?

I love my sister, but she eats everything in sight the moment she finds it. I have a lock on my door and have gotten a small fridge. I keep fruit and water in there, some snacks, and then I will go to my boyfriend's to eat. My sister is unemployed at the moment and my parents bring her meals (about 1200 calories per meal) and she will scarf it down. If they leave something for me, she eats that as well.

She once got so hungry she ate parmesan cheese from a shake bottle. As much as I love my sister, she has eaten about $400 in groceries this month alone. I tried so hard to refill it, talk it out with her, and she just binges, purges, binges more. She couldn't even be measured on my scale, which goes up to 450 pounds.

I told her that I was done feeding her. She can talk to our parents and figure it out. I was done. I have the lock-in in my bedroom, which has always been there, and I eat with my boyfriend. I eat at work. But there is nothing but bottled water in the fridge for her right now.

My parents are going out of town next week and have agreed to buy her food for the week. I told them that if she eats it all, she is going to be hungry the rest of the days.

I have been very clear with them that she needs to go to some kind of therapy/clinic. There has to be something to be done for someone with her issues. But she ignores it. It is at the point where she cannot get into my Corolla to drive anywhere because she is too big.

The house we live in is my childhood home and I lived there with Ashley because she is my sister. But now it's to the point where my boyfriend has said to just move in with him. Which would mean my parents would have to watch her because her...