Number one (borrowed from my former boss Ankur): Get financially independent, and move out.
Number two: Do not try to educate them on drama. They have been so much addicted to drama that they will create more drama on education 🙂
Just stay away. Increase your resilience to not consider anything they say as poke against you, because it isn’t. It is just their inner kid crying out loud. Rinse. Repeat.