One too many

Last summer our parents took all of us out to our summer house somewhere in the woods but the first weekend we were there our parents had to leave us.
Me and my identical twin sister Violet were in our room she was playing some video game while I was video chatting with my boyfriend I decided to go get some water. It took me a good twenty minutes because I got distracted by our younger brother: The second younger brother of all of us he has Autism and can't speak so sign language is the only way he can communicate to us. Our older two siblings were watching movies in the basement while the rest of us on either the second or third floor were mine and Violet's room is.
When I got back Violet look extremely frightened when I opened the door "what's wrong with you weirdo" I said as she started messing with one of her long red braids "you just told me to get something out of the closest" this is when I got confused because when me Violet were born I was a lot bigger than her, I took a lot of nutrients from her in the womb so when born she had a lot of problems with sight and hearing so someone had to talk pretty long for her to hear anyone over the game sound.
After she said that something fell in the closet.We both ran out of that room as fast we could to the nursery of our youngest sibling : Ethan a one year old who I grabbed and ran to the basement were the rest of our siblings were
When we explained what happened to our older siblings what happened our older sister the oldest out of all of us