Because you like Holland March in The Nice Guys
In a rag-tag group of kids determined to take down the imperialistic Fire Lord, Katara is the glue that holds them together. See them in Avatar: The Last Airbender.
Clementine Kruczynski thinks that too many guys think she's a concept, or she completes them, or she's gonna make them alive. See them in Eternal Sunshine of the Spotless Mind.
Liesel Meminger is trying to ease the suffering of those around her, German and Jew alike. See them in The Book Thief.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
Equal parts funny and neurotic, Cory Matthews has a warm and generous spirit. See them in Boy Meets World.
Wanting more out of life, Pam Beesly has a job she isn't crazy about and is engaged to a guy she's not sure is "The One." See them in The Office.
Cosette is an idealistic woman whose innocence stands in contrast to her harsh childhood. See them in Les Miserables.
Edmund Pevensie isn't a bad person, but he did sell his siblings out for a tin of Turkish Delight. See them in The Chronicles of Narnia.
Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.
Rebecca Bunch struggles with decision making. So much so that she chases her high school boyfriend across the country to win him back. See them in Crazy Ex-Girlfriend.