Because you like Lily Aldrin in How I Met Your Mother
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.
Willow Rosenberg may be a witch who can defeat the forces of evil, but she still gets emotional over kittens on the Internet. See them in Buffy the Vampire Slayer.
Annie Walker can bake a beautiful cupcake, but everything else in her life is a mess. See them in Bridesmaids.
Loyal to his family and associates and distrustful of anyone else, Tony Soprano is a good guy to have on your side. See them in The Sopranos.
Eliot Waugh is the unspoken leader of his group of friends at a school for magic. See them in The Magicians.
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.
Level-headed Ian Gallagher may be focused on his goals, but he's got a mischievous side too. See them in Shameless.
Rarity has been dreaming of the day her designs will dazzle Canterlot. See them in My Little Pony.
Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.
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.