just give her away to the mentalcare hospital or next asylum you see and tell them they can do whatever experiment they want to get her back to a normal state
i did, and my mom said 'SWWEETIE COME GET UR SISTER SHE;S EMBARRASSING US INFRONT OF YOUR DAD'S WHOLE WORK!'ππππππππππππππππ
yeah, and then a few of my old highschool friends stood there, and they were comforting me and one of my friends said 'at least you saw your dad win his award'