Because you like The Little Prince in The Little Prince
Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.
Though he may be blind, Chirrut Imwe sees the power of the force more than most. See them in Rogue One.
Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.
Years of brutal winters, foreign invasions, and crippling loneliness have left Russia's mental state far from wholly intact. See them in Axis Powers Hetalia.
A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..
Beneath Yuji Sakai's meek exterior lies an exceptionally keen mind and a strong inner will. See them in Shakugan no Shana.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
Applejack's practicality complements her caring nature. She is the loyalest of friends and the most dependable of ponies. See them in My Little Pony.
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.