It is good to stick up for your siblings
Jim's younger brother John is being picked on at school and John complains about it all the time.
Jim wants John to stop whining about it.
Jim tells John to point out the bully and Jim beats him up.
Jim tells John to man up and keep his problems to himself.
John now feels safe at school because the bully is terrified of Jim.
John continues to be victimized at school and becomes depressed.