One reason is that your brother is very distressed to see you being beaten, and he would rather be beaten himself than let you be beaten; Another reason is that your brother may not want your parents to take violent measures to hinder your puppy love. No matter what happens, you should know that your first task at present is to study, which is to lay the foundation for your future life. Only when you are truly literate and capable can you be truly strong and qualified to fall in love and organize a family.