Merry Christmas to you.  Jesus the pathetic calorie goblin lives your sisters have led speak so so much to why gluttony is a deadly sin. I am not a religious person, but I believe all religions have wisdom within. The way they chose sloth and gluttony and have abused the love any parent would have for their children is infuriating beyond compare. You have my sympathy and well wishes, be there for your parents but your first priority is your own family, please put them first and limit exposure to your cheeto barge sister. I really hope 2017 gives you some relief. Merry Christmas, you're way stronger than I could ever imagine.