Because you like Tibby Rollins in The Sisterhood of the Traveling Pants
Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.
Belle is an adventurous, intelligent fairy tale maiden who strives to see the best in everyone. See them in Once Upon a Time.
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.
Aimee Finecky has big dreams, but she's too busy taking care of everyone else's desires. See them in The Spectacular Now.
Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.
Timid and a bit insecure, Amy Antsler has big dreams of activism and meeting new people. She's learning it's easier said than done. See them in Booksmart.
Donna Pinciotti is strong, independent, and empathetic. No one messes with her. See them in That '70s Show.
People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.
The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.
Amy Farrah Fowler deserves sainthood for putting up with Sheldon Cooper. See them in The Big Bang Theory.
Stella Grant is an organized, orderly optimist living with a dangerous disease. See them in Five Feet Apart.