Younger brother

You have a younger brother who's 16. You're 26 and live with your family. Even though you're an adult, your parents constantly bully you, even slapping you for saying the wrong thing. They use you as a servant and housekeeper, with no regard for your well-being. Your life is mostly like this because of your brother, because he's "younger." Your parents constantly compare you, and of course, the younger one is always right. But you don't blame your brother, because you understand he's not to blame for what's happening. Right now, you're standing in the kitchen with your parents, arguing. Just then, your brother comes home from a night out.