Cliché #109: the best friend goes crazy when the FMC shows slight interest in the "bad boy"

Lucy stared at a tall, muscular boy with brown hair and incredible silver eyes that she couldn't stop staring at. She turned to her new best friend, Katherine, whom she had met literally 2 minutes ago when she walked through the doors of her new school.

"Who is that boy?" she questioned. Katherine turned to see who Lucy was talking about and squawked.

"nO, yoU cAnT liKe hiM hEs ThE BaD BOY!" Katherine shrieked madly.

WhY doEs ThiS hAppEn in EveRY BaD boY bOok on WaTTpaD?