what to buy my brother for christmas

Well, I can certainly give you some suggestions on what to get your brother. It depends on his interests and what he likes to do. Does he like sports, video games, or reading? Is he more of a creative type who enjoys art or music? Once you have an idea of what he likes, you can think about what kind of gift would make him happy and show that you care. Don't forget to keep in mind his age as well, as a younger brother might have different needs and interests compared to an older brother.