Unfortunately, not every guy who rejects a nice girl is some cocky douche bag.
Sometimes, he's a a sweet, awkward little nerd.
Unfortunately, not every guy who rejects a nice girl has women falling for him all the time.
Sometimes, those other girls just don't realize what a catch he is and ignore him.
Unfortunately, not every guy who rejects a nice girl is looking for a whore.
Sometimes, he's looking for another nice girl who just doesn't notice him.
Unfortunately, not every guy who rejects a nice girl is mean to her.
Sometimes, he's kind to her despite the unwanted affection.
Unfortunately, not every guy who rejects a nice girl is flawless.
Sometimes, he's quirky, and all she can think about his how endearing his quirks are.
Unfortunately, not every guy who rejects a nice girl wants her out of his life.
Sometimes, he loves her like a best friend and wants her around always.
Unfortunately, not every guy who rejects a nice girl thinks she's hideous.
Sometimes, he thinks she's pretty and he makes sure she knows it.
Unfortunately, not every guy who rejects a nice girl blames her for her feelings.
Sometimes, he tells her, "I wish I could've fallen in love with you."
Unfortunately, people aren't characters in a teen movie.
Sometimes, he's just a boy, and she's just a girl, and no one's the "bad guy", and they're just trying to figure out life before they loose each other.