It's wrong to call your siblings bad names.
John is with his friends and younger brother Chris at a house party.
John wants his friends to like him more than his brother.
John is more social than his brother is with his friends, and he even compliments his brother.
John raises his voice and tells his friends that Chris is a bunch of bad names.
John's friends like John more and gravitate to him more as well.
John's friends respect John less and feel sorry for Chris more.