Because you like Liesl von Trapp in The Sound of Music

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.

Lady Macbeth takes being a powerful woman to a whole other level. See them in Macbeth.

Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.

Amy Farrah Fowler deserves sainthood for putting up with Sheldon Cooper. See them in The Big Bang Theory.

People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.

Shuri is a genius-level inventor with a wicked sense of humor. See them in Marvel Cinematic Universe.

Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.

Stella Grant is an organized, orderly optimist living with a dangerous disease. See them in Five Feet Apart.

The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.