Because you like Rarity in My Little Pony

Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.

Love Quinn is a trained chef and excellent girlfriend, but she's hiding something dark. And bloody. See them in You.

With an abundant supply of alcohol, nice restaurants, and free will, Crowley is a demon who is thoroughly enjoying his time on Earth. See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.

Ted Logan wants to party on, but if doesn't get an A+ on his history presentation, he'll flunk out and be sent to a military school in Alaska. See them in Bill & Ted's Excellent Adventure.

Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.

Lux Lisbon's flirtatious manner attracts a lot of male attention. She relishes the power that her sexuality grants her. See them in The Virgin Suicides.

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.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.

Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.

Killua Zoldyck is so tired of killing. He just wants to be a kid, hanging out and doing stuff with his friends. See them in Hunter x Hunter.