Why do people make fun of me?

Hey people make fun of me because my favourite films are The Little Mermaid and The Princess and the Pauper and i love singing little mermaid songs like ariel! And i love dancing around to barbie in my room :/ whats wrong with me, my mum, dad and sister laugh and make fun out of me because i watch movoies like that, and its not funny :( I just like acting like i am a princess it makes me smile :/ whats wrong with me ? by the way this is me singing ariel :)http://www.youtube.com/watch?v=xGVBqQB6VbY please comment :) x